Home / 134,177.16-185,150.34-77,606.76

Finding the Fourth Proportional to 134,177.16, 185,150.34 and 77,606.76

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Solution

The fourth proportional to 134,177.16, 185,150.34 and 77,606.76 is: 107,089.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,177.16 : 185,150.34 = 77,606.76 : x
  2. Step 2: Convert to fraction form
    134,177.16/185,150.34 = 77,606.76/x
  3. Step 3: Cross multiply
    134,177.16x = 185,150.34 × 77,606.76
  4. Step 4: Simplify right side
    134,177.16x = 14,368,918,000.30
  5. Step 5: Solve for x
    x = 14,368,918,000.30/134,177.16
  6. Step 6: Final answer
    x = 107,089.15

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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.