Home / 114,728.31-158,269.88-74,454.71

Finding the Fourth Proportional to 114,728.31, 158,269.88 and 74,454.71

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Solution

The fourth proportional to 114,728.31, 158,269.88 and 74,454.71 is: 102,711.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,728.31 : 158,269.88 = 74,454.71 : x
  2. Step 2: Convert to fraction form
    114,728.31/158,269.88 = 74,454.71/x
  3. Step 3: Cross multiply
    114,728.31x = 158,269.88 × 74,454.71
  4. Step 4: Simplify right side
    114,728.31x = 11,783,937,225.79
  5. Step 5: Solve for x
    x = 11,783,937,225.79/114,728.31
  6. Step 6: Final answer
    x = 102,711.68

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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.