Home / 210,983.67-316,158.19-84,498.53

Finding the Fourth Proportional to 210,983.67, 316,158.19 and 84,498.53

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Solution

The fourth proportional to 210,983.67, 316,158.19 and 84,498.53 is: 126,620.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,983.67 : 316,158.19 = 84,498.53 : x
  2. Step 2: Convert to fraction form
    210,983.67/316,158.19 = 84,498.53/x
  3. Step 3: Cross multiply
    210,983.67x = 316,158.19 × 84,498.53
  4. Step 4: Simplify right side
    210,983.67x = 26,714,900,510.42
  5. Step 5: Solve for x
    x = 26,714,900,510.42/210,983.67
  6. Step 6: Final answer
    x = 126,620.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.