Home / 186,023.79-256,712.49-101,140.65

Finding the Fourth Proportional to 186,023.79, 256,712.49 and 101,140.65

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Solution

The fourth proportional to 186,023.79, 256,712.49 and 101,140.65 is: 139,573.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,023.79 : 256,712.49 = 101,140.65 : x
  2. Step 2: Convert to fraction form
    186,023.79/256,712.49 = 101,140.65/x
  3. Step 3: Cross multiply
    186,023.79x = 256,712.49 × 101,140.65
  4. Step 4: Simplify right side
    186,023.79x = 25,964,068,101.72
  5. Step 5: Solve for x
    x = 25,964,068,101.72/186,023.79
  6. Step 6: Final answer
    x = 139,573.91

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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.