Home / 210,549.23-315,730-60,753.94

Finding the Fourth Proportional to 210,549.23, 315,730 and 60,753.94

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Solution

The fourth proportional to 210,549.23, 315,730 and 60,753.94 is: 91,103.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,549.23 : 315,730 = 60,753.94 : x
  2. Step 2: Convert to fraction form
    210,549.23/315,730 = 60,753.94/x
  3. Step 3: Cross multiply
    210,549.23x = 315,730 × 60,753.94
  4. Step 4: Simplify right side
    210,549.23x = 19,181,841,476.20
  5. Step 5: Solve for x
    x = 19,181,841,476.20/210,549.23
  6. Step 6: Final answer
    x = 91,103.83

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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.