Home / 125,248.88-187,185.65-91,585.80

Finding the Fourth Proportional to 125,248.88, 187,185.65 and 91,585.80

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Solution

The fourth proportional to 125,248.88, 187,185.65 and 91,585.80 is: 136,875.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,248.88 : 187,185.65 = 91,585.80 : x
  2. Step 2: Convert to fraction form
    125,248.88/187,185.65 = 91,585.80/x
  3. Step 3: Cross multiply
    125,248.88x = 187,185.65 × 91,585.80
  4. Step 4: Simplify right side
    125,248.88x = 17,143,547,045.84
  5. Step 5: Solve for x
    x = 17,143,547,045.84/125,248.88
  6. Step 6: Final answer
    x = 136,875.85

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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.