Home / 460,038.60-690,057.90-144,527.40

Finding the Fourth Proportional to 460,038.60, 690,057.90 and 144,527.40

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Solution

The fourth proportional to 460,038.60, 690,057.90 and 144,527.40 is: 216,791.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,038.60 : 690,057.90 = 144,527.40 : x
  2. Step 2: Convert to fraction form
    460,038.60/690,057.90 = 144,527.40/x
  3. Step 3: Cross multiply
    460,038.60x = 690,057.90 × 144,527.40
  4. Step 4: Simplify right side
    460,038.60x = 99,732,274,136.46
  5. Step 5: Solve for x
    x = 99,732,274,136.46/460,038.60
  6. Step 6: Final answer
    x = 216,791.10

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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.