Home / 134,504.76-185,617.14-77,146.32

Finding the Fourth Proportional to 134,504.76, 185,617.14 and 77,146.32

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Solution

The fourth proportional to 134,504.76, 185,617.14 and 77,146.32 is: 106,462.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,504.76 : 185,617.14 = 77,146.32 : x
  2. Step 2: Convert to fraction form
    134,504.76/185,617.14 = 77,146.32/x
  3. Step 3: Cross multiply
    134,504.76x = 185,617.14 × 77,146.32
  4. Step 4: Simplify right side
    134,504.76x = 14,319,679,279.92
  5. Step 5: Solve for x
    x = 14,319,679,279.92/134,504.76
  6. Step 6: Final answer
    x = 106,462.25

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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.