Home / 125,699.61-188,376.07-92,437.77

Finding the Fourth Proportional to 125,699.61, 188,376.07 and 92,437.77

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Solution

The fourth proportional to 125,699.61, 188,376.07 and 92,437.77 is: 138,529.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,699.61 : 188,376.07 = 92,437.77 : x
  2. Step 2: Convert to fraction form
    125,699.61/188,376.07 = 92,437.77/x
  3. Step 3: Cross multiply
    125,699.61x = 188,376.07 × 92,437.77
  4. Step 4: Simplify right side
    125,699.61x = 17,413,063,832.16
  5. Step 5: Solve for x
    x = 17,413,063,832.16/125,699.61
  6. Step 6: Final answer
    x = 138,529.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.