Home / 111,270.04-153,566.94-63,512.44

Finding the Fourth Proportional to 111,270.04, 153,566.94 and 63,512.44

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Solution

The fourth proportional to 111,270.04, 153,566.94 and 63,512.44 is: 87,655.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,270.04 : 153,566.94 = 63,512.44 : x
  2. Step 2: Convert to fraction form
    111,270.04/153,566.94 = 63,512.44/x
  3. Step 3: Cross multiply
    111,270.04x = 153,566.94 × 63,512.44
  4. Step 4: Simplify right side
    111,270.04x = 9,753,411,062.73
  5. Step 5: Solve for x
    x = 9,753,411,062.73/111,270.04
  6. Step 6: Final answer
    x = 87,655.32

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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.