Home / 113,301.12-156,345.60-63,002.88

Finding the Fourth Proportional to 113,301.12, 156,345.60 and 63,002.88

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Solution

The fourth proportional to 113,301.12, 156,345.60 and 63,002.88 is: 86,938.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,301.12 : 156,345.60 = 63,002.88 : x
  2. Step 2: Convert to fraction form
    113,301.12/156,345.60 = 63,002.88/x
  3. Step 3: Cross multiply
    113,301.12x = 156,345.60 × 63,002.88
  4. Step 4: Simplify right side
    113,301.12x = 9,850,223,075.33
  5. Step 5: Solve for x
    x = 9,850,223,075.33/113,301.12
  6. Step 6: Final answer
    x = 86,938.44

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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.