Home / 110,962.64-153,120.56-63,207.20

Finding the Fourth Proportional to 110,962.64, 153,120.56 and 63,207.20

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Solution

The fourth proportional to 110,962.64, 153,120.56 and 63,207.20 is: 87,221.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,962.64 : 153,120.56 = 63,207.20 : x
  2. Step 2: Convert to fraction form
    110,962.64/153,120.56 = 63,207.20/x
  3. Step 3: Cross multiply
    110,962.64x = 153,120.56 × 63,207.20
  4. Step 4: Simplify right side
    110,962.64x = 9,678,321,860.03
  5. Step 5: Solve for x
    x = 9,678,321,860.03/110,962.64
  6. Step 6: Final answer
    x = 87,221.45

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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.