Home / 186,539.28-257,423.76-101,656.12

Finding the Fourth Proportional to 186,539.28, 257,423.76 and 101,656.12

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Solution

The fourth proportional to 186,539.28, 257,423.76 and 101,656.12 is: 140,285.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,539.28 : 257,423.76 = 101,656.12 : x
  2. Step 2: Convert to fraction form
    186,539.28/257,423.76 = 101,656.12/x
  3. Step 3: Cross multiply
    186,539.28x = 257,423.76 × 101,656.12
  4. Step 4: Simplify right side
    186,539.28x = 26,168,700,637.41
  5. Step 5: Solve for x
    x = 26,168,700,637.41/186,539.28
  6. Step 6: Final answer
    x = 140,285.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.