Home / 186,365.28-257,184.52-101,487.80

Finding the Fourth Proportional to 186,365.28, 257,184.52 and 101,487.80

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Solution

The fourth proportional to 186,365.28, 257,184.52 and 101,487.80 is: 140,053.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,365.28 : 257,184.52 = 101,487.80 : x
  2. Step 2: Convert to fraction form
    186,365.28/257,184.52 = 101,487.80/x
  3. Step 3: Cross multiply
    186,365.28x = 257,184.52 × 101,487.80
  4. Step 4: Simplify right side
    186,365.28x = 26,101,091,128.86
  5. Step 5: Solve for x
    x = 26,101,091,128.86/186,365.28
  6. Step 6: Final answer
    x = 140,053.40

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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.