Home / 187,565.83-258,770.18-123,070.67

Finding the Fourth Proportional to 187,565.83, 258,770.18 and 123,070.67

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Solution

The fourth proportional to 187,565.83, 258,770.18 and 123,070.67 is: 169,791.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,565.83 : 258,770.18 = 123,070.67 : x
  2. Step 2: Convert to fraction form
    187,565.83/258,770.18 = 123,070.67/x
  3. Step 3: Cross multiply
    187,565.83x = 258,770.18 × 123,070.67
  4. Step 4: Simplify right side
    187,565.83x = 31,847,018,442.45
  5. Step 5: Solve for x
    x = 31,847,018,442.45/187,565.83
  6. Step 6: Final answer
    x = 169,791.15

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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.