Home / 134,176.16-185,148.96-77,605.76

Finding the Fourth Proportional to 134,176.16, 185,148.96 and 77,605.76

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Solution

The fourth proportional to 134,176.16, 185,148.96 and 77,605.76 is: 107,087.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,176.16 : 185,148.96 = 77,605.76 : x
  2. Step 2: Convert to fraction form
    134,176.16/185,148.96 = 77,605.76/x
  3. Step 3: Cross multiply
    134,176.16x = 185,148.96 × 77,605.76
  4. Step 4: Simplify right side
    134,176.16x = 14,368,625,754.01
  5. Step 5: Solve for x
    x = 14,368,625,754.01/134,176.16
  6. Step 6: Final answer
    x = 107,087.77

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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.