Home / 134,385.89-185,460.18-77,034.76

Finding the Fourth Proportional to 134,385.89, 185,460.18 and 77,034.76

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Solution

The fourth proportional to 134,385.89, 185,460.18 and 77,034.76 is: 106,312.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,385.89 : 185,460.18 = 77,034.76 : x
  2. Step 2: Convert to fraction form
    134,385.89/185,460.18 = 77,034.76/x
  3. Step 3: Cross multiply
    134,385.89x = 185,460.18 × 77,034.76
  4. Step 4: Simplify right side
    134,385.89x = 14,286,880,455.86
  5. Step 5: Solve for x
    x = 14,286,880,455.86/134,385.89
  6. Step 6: Final answer
    x = 106,312.36

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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.