Home / 110,885.35-153,023.26-63,138.89

Finding the Fourth Proportional to 110,885.35, 153,023.26 and 63,138.89

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Solution

The fourth proportional to 110,885.35, 153,023.26 and 63,138.89 is: 87,132.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,885.35 : 153,023.26 = 63,138.89 : x
  2. Step 2: Convert to fraction form
    110,885.35/153,023.26 = 63,138.89/x
  3. Step 3: Cross multiply
    110,885.35x = 153,023.26 × 63,138.89
  4. Step 4: Simplify right side
    110,885.35x = 9,661,718,015.47
  5. Step 5: Solve for x
    x = 9,661,718,015.47/110,885.35
  6. Step 6: Final answer
    x = 87,132.50

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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.