Home / 125,166.85-187,750.23-83,129.01

Finding the Fourth Proportional to 125,166.85, 187,750.23 and 83,129.01

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Solution

The fourth proportional to 125,166.85, 187,750.23 and 83,129.01 is: 124,693.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,166.85 : 187,750.23 = 83,129.01 : x
  2. Step 2: Convert to fraction form
    125,166.85/187,750.23 = 83,129.01/x
  3. Step 3: Cross multiply
    125,166.85x = 187,750.23 × 83,129.01
  4. Step 4: Simplify right side
    125,166.85x = 15,607,489,808.42
  5. Step 5: Solve for x
    x = 15,607,489,808.42/125,166.85
  6. Step 6: Final answer
    x = 124,693.48

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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.