Home / 134,180.16-185,154.48-77,609.76

Finding the Fourth Proportional to 134,180.16, 185,154.48 and 77,609.76

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Solution

The fourth proportional to 134,180.16, 185,154.48 and 77,609.76 is: 107,093.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,180.16 : 185,154.48 = 77,609.76 : x
  2. Step 2: Convert to fraction form
    134,180.16/185,154.48 = 77,609.76/x
  3. Step 3: Cross multiply
    134,180.16x = 185,154.48 × 77,609.76
  4. Step 4: Simplify right side
    134,180.16x = 14,369,794,755.72
  5. Step 5: Solve for x
    x = 14,369,794,755.72/134,180.16
  6. Step 6: Final answer
    x = 107,093.29

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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.