Home / 134,095.12-185,084.52-77,498.32

Finding the Fourth Proportional to 134,095.12, 185,084.52 and 77,498.32

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Solution

The fourth proportional to 134,095.12, 185,084.52 and 77,498.32 is: 106,966.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,095.12 : 185,084.52 = 77,498.32 : x
  2. Step 2: Convert to fraction form
    134,095.12/185,084.52 = 77,498.32/x
  3. Step 3: Cross multiply
    134,095.12x = 185,084.52 × 77,498.32
  4. Step 4: Simplify right side
    134,095.12x = 14,343,739,358.01
  5. Step 5: Solve for x
    x = 14,343,739,358.01/134,095.12
  6. Step 6: Final answer
    x = 106,966.90

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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.