Home / 111,037.91-153,232.56-63,290.03

Finding the Fourth Proportional to 111,037.91, 153,232.56 and 63,290.03

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Solution

The fourth proportional to 111,037.91, 153,232.56 and 63,290.03 is: 87,340.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,037.91 : 153,232.56 = 63,290.03 : x
  2. Step 2: Convert to fraction form
    111,037.91/153,232.56 = 63,290.03/x
  3. Step 3: Cross multiply
    111,037.91x = 153,232.56 × 63,290.03
  4. Step 4: Simplify right side
    111,037.91x = 9,698,092,553.21
  5. Step 5: Solve for x
    x = 9,698,092,553.21/111,037.91
  6. Step 6: Final answer
    x = 87,340.38

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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.