Home / 125,502.03-173,192.45-75,201.03

Finding the Fourth Proportional to 125,502.03, 173,192.45 and 75,201.03

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Solution

The fourth proportional to 125,502.03, 173,192.45 and 75,201.03 is: 103,777.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,502.03 : 173,192.45 = 75,201.03 : x
  2. Step 2: Convert to fraction form
    125,502.03/173,192.45 = 75,201.03/x
  3. Step 3: Cross multiply
    125,502.03x = 173,192.45 × 75,201.03
  4. Step 4: Simplify right side
    125,502.03x = 13,024,250,252.22
  5. Step 5: Solve for x
    x = 13,024,250,252.22/125,502.03
  6. Step 6: Final answer
    x = 103,777.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.