Home / 187,235.86-258,385.56-102,352.90

Finding the Fourth Proportional to 187,235.86, 258,385.56 and 102,352.90

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Solution

The fourth proportional to 187,235.86, 258,385.56 and 102,352.90 is: 141,247.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,235.86 : 258,385.56 = 102,352.90 : x
  2. Step 2: Convert to fraction form
    187,235.86/258,385.56 = 102,352.90/x
  3. Step 3: Cross multiply
    187,235.86x = 258,385.56 × 102,352.90
  4. Step 4: Simplify right side
    187,235.86x = 26,446,511,384.12
  5. Step 5: Solve for x
    x = 26,446,511,384.12/187,235.86
  6. Step 6: Final answer
    x = 141,247.04

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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.