Home / 110,203.75-152,070.53-61,807.66

Finding the Fourth Proportional to 110,203.75, 152,070.53 and 61,807.66

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Solution

The fourth proportional to 110,203.75, 152,070.53 and 61,807.66 is: 85,288.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,203.75 : 152,070.53 = 61,807.66 : x
  2. Step 2: Convert to fraction form
    110,203.75/152,070.53 = 61,807.66/x
  3. Step 3: Cross multiply
    110,203.75x = 152,070.53 × 61,807.66
  4. Step 4: Simplify right side
    110,203.75x = 9,399,123,839.92
  5. Step 5: Solve for x
    x = 9,399,123,839.92/110,203.75
  6. Step 6: Final answer
    x = 85,288.61

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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.