Home / 111,263.04-153,557.28-63,505.44

Finding the Fourth Proportional to 111,263.04, 153,557.28 and 63,505.44

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Solution

The fourth proportional to 111,263.04, 153,557.28 and 63,505.44 is: 87,645.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,263.04 : 153,557.28 = 63,505.44 : x
  2. Step 2: Convert to fraction form
    111,263.04/153,557.28 = 63,505.44/x
  3. Step 3: Cross multiply
    111,263.04x = 153,557.28 × 63,505.44
  4. Step 4: Simplify right side
    111,263.04x = 9,751,722,631.60
  5. Step 5: Solve for x
    x = 9,751,722,631.60/111,263.04
  6. Step 6: Final answer
    x = 87,645.66

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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.