Home / 113,154.02-156,157.49-62,853.02

Finding the Fourth Proportional to 113,154.02, 156,157.49 and 62,853.02

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Solution

The fourth proportional to 113,154.02, 156,157.49 and 62,853.02 is: 86,739.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,154.02 : 156,157.49 = 62,853.02 : x
  2. Step 2: Convert to fraction form
    113,154.02/156,157.49 = 62,853.02/x
  3. Step 3: Cross multiply
    113,154.02x = 156,157.49 × 62,853.02
  4. Step 4: Simplify right side
    113,154.02x = 9,814,969,842.12
  5. Step 5: Solve for x
    x = 9,814,969,842.12/113,154.02
  6. Step 6: Final answer
    x = 86,739.91

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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.