Home / 130,079.16-179,508.84-73,490.52

Finding the Fourth Proportional to 130,079.16, 179,508.84 and 73,490.52

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Solution

The fourth proportional to 130,079.16, 179,508.84 and 73,490.52 is: 101,416.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,079.16 : 179,508.84 = 73,490.52 : x
  2. Step 2: Convert to fraction form
    130,079.16/179,508.84 = 73,490.52/x
  3. Step 3: Cross multiply
    130,079.16x = 179,508.84 × 73,490.52
  4. Step 4: Simplify right side
    130,079.16x = 13,192,197,996.20
  5. Step 5: Solve for x
    x = 13,192,197,996.20/130,079.16
  6. Step 6: Final answer
    x = 101,416.69

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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.