Home / 125,092.08-187,638.50-30,321.89

Finding the Fourth Proportional to 125,092.08, 187,638.50 and 30,321.89

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Solution

The fourth proportional to 125,092.08, 187,638.50 and 30,321.89 is: 45,482.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,092.08 : 187,638.50 = 30,321.89 : x
  2. Step 2: Convert to fraction form
    125,092.08/187,638.50 = 30,321.89/x
  3. Step 3: Cross multiply
    125,092.08x = 187,638.50 × 30,321.89
  4. Step 4: Simplify right side
    125,092.08x = 5,689,552,866.96
  5. Step 5: Solve for x
    x = 5,689,552,866.96/125,092.08
  6. Step 6: Final answer
    x = 45,482.92

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1.5x scale

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.