Home / 125,585.64-187,565.58-113,715.69

Finding the Fourth Proportional to 125,585.64, 187,565.58 and 113,715.69

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Solution

The fourth proportional to 125,585.64, 187,565.58 and 113,715.69 is: 169,837.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,585.64 : 187,565.58 = 113,715.69 : x
  2. Step 2: Convert to fraction form
    125,585.64/187,565.58 = 113,715.69/x
  3. Step 3: Cross multiply
    125,585.64x = 187,565.58 × 113,715.69
  4. Step 4: Simplify right side
    125,585.64x = 21,329,149,349.95
  5. Step 5: Solve for x
    x = 21,329,149,349.95/125,585.64
  6. Step 6: Final answer
    x = 169,837.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.