Home / 113,316.48-156,378.24-63,017.28

Finding the Fourth Proportional to 113,316.48, 156,378.24 and 63,017.28

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Solution

The fourth proportional to 113,316.48, 156,378.24 and 63,017.28 is: 86,964.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,316.48 : 156,378.24 = 63,017.28 : x
  2. Step 2: Convert to fraction form
    113,316.48/156,378.24 = 63,017.28/x
  3. Step 3: Cross multiply
    113,316.48x = 156,378.24 × 63,017.28
  4. Step 4: Simplify right side
    113,316.48x = 9,854,531,335.99
  5. Step 5: Solve for x
    x = 9,854,531,335.99/113,316.48
  6. Step 6: Final answer
    x = 86,964.68

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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.