Home / 111,193.36-153,425.28-63,445.52

Finding the Fourth Proportional to 111,193.36, 153,425.28 and 63,445.52

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Solution

The fourth proportional to 111,193.36, 153,425.28 and 63,445.52 is: 87,542.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,193.36 : 153,425.28 = 63,445.52 : x
  2. Step 2: Convert to fraction form
    111,193.36/153,425.28 = 63,445.52/x
  3. Step 3: Cross multiply
    111,193.36x = 153,425.28 × 63,445.52
  4. Step 4: Simplify right side
    111,193.36x = 9,734,146,670.75
  5. Step 5: Solve for x
    x = 9,734,146,670.75/111,193.36
  6. Step 6: Final answer
    x = 87,542.52

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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.