Home / 186,025.50-279,038.25-45,784.13

Finding the Fourth Proportional to 186,025.50, 279,038.25 and 45,784.13

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Solution

The fourth proportional to 186,025.50, 279,038.25 and 45,784.13 is: 68,676.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,025.50 : 279,038.25 = 45,784.13 : x
  2. Step 2: Convert to fraction form
    186,025.50/279,038.25 = 45,784.13/x
  3. Step 3: Cross multiply
    186,025.50x = 279,038.25 × 45,784.13
  4. Step 4: Simplify right side
    186,025.50x = 12,775,522,117.78
  5. Step 5: Solve for x
    x = 12,775,522,117.78/186,025.50
  6. Step 6: Final answer
    x = 68,676.19

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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.