Home / 111,294.04-153,638.96-63,538.16

Finding the Fourth Proportional to 111,294.04, 153,638.96 and 63,538.16

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Solution

The fourth proportional to 111,294.04, 153,638.96 and 63,538.16 is: 87,713.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,294.04 : 153,638.96 = 63,538.16 : x
  2. Step 2: Convert to fraction form
    111,294.04/153,638.96 = 63,538.16/x
  3. Step 3: Cross multiply
    111,294.04x = 153,638.96 × 63,538.16
  4. Step 4: Simplify right side
    111,294.04x = 9,761,936,822.71
  5. Step 5: Solve for x
    x = 9,761,936,822.71/111,294.04
  6. Step 6: Final answer
    x = 87,713.02

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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.