Home / 134,448.50-185,535.66-74,018.66

Finding the Fourth Proportional to 134,448.50, 185,535.66 and 74,018.66

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Solution

The fourth proportional to 134,448.50, 185,535.66 and 74,018.66 is: 102,143.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,448.50 : 185,535.66 = 74,018.66 : x
  2. Step 2: Convert to fraction form
    134,448.50/185,535.66 = 74,018.66/x
  3. Step 3: Cross multiply
    134,448.50x = 185,535.66 × 74,018.66
  4. Step 4: Simplify right side
    134,448.50x = 13,733,100,935.42
  5. Step 5: Solve for x
    x = 13,733,100,935.42/134,448.50
  6. Step 6: Final answer
    x = 102,143.95

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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.