Home / 460,025.60-690,038.40-144,514.40

Finding the Fourth Proportional to 460,025.60, 690,038.40 and 144,514.40

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Solution

The fourth proportional to 460,025.60, 690,038.40 and 144,514.40 is: 216,771.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,025.60 : 690,038.40 = 144,514.40 : x
  2. Step 2: Convert to fraction form
    460,025.60/690,038.40 = 144,514.40/x
  3. Step 3: Cross multiply
    460,025.60x = 690,038.40 × 144,514.40
  4. Step 4: Simplify right side
    460,025.60x = 99,720,485,352.96
  5. Step 5: Solve for x
    x = 99,720,485,352.96/460,025.60
  6. Step 6: Final answer
    x = 216,771.60

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.