Home / 186,002.92-256,686.56-101,121.76

Finding the Fourth Proportional to 186,002.92, 256,686.56 and 101,121.76

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Solution

The fourth proportional to 186,002.92, 256,686.56 and 101,121.76 is: 139,549.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,002.92 : 256,686.56 = 101,121.76 : x
  2. Step 2: Convert to fraction form
    186,002.92/256,686.56 = 101,121.76/x
  3. Step 3: Cross multiply
    186,002.92x = 256,686.56 × 101,121.76
  4. Step 4: Simplify right side
    186,002.92x = 25,956,596,715.55
  5. Step 5: Solve for x
    x = 25,956,596,715.55/186,002.92
  6. Step 6: Final answer
    x = 139,549.40

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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.