Home / 113,386.28-156,473.80-62,397.60

Finding the Fourth Proportional to 113,386.28, 156,473.80 and 62,397.60

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Solution

The fourth proportional to 113,386.28, 156,473.80 and 62,397.60 is: 86,109.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,386.28 : 156,473.80 = 62,397.60 : x
  2. Step 2: Convert to fraction form
    113,386.28/156,473.80 = 62,397.60/x
  3. Step 3: Cross multiply
    113,386.28x = 156,473.80 × 62,397.60
  4. Step 4: Simplify right side
    113,386.28x = 9,763,589,582.88
  5. Step 5: Solve for x
    x = 9,763,589,582.88/113,386.28
  6. Step 6: Final answer
    x = 86,109.09

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1.5x scale

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.