Home / 111,292.28-153,636.55-63,536.41

Finding the Fourth Proportional to 111,292.28, 153,636.55 and 63,536.41

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Solution

The fourth proportional to 111,292.28, 153,636.55 and 63,536.41 is: 87,710.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,292.28 : 153,636.55 = 63,536.41 : x
  2. Step 2: Convert to fraction form
    111,292.28/153,636.55 = 63,536.41/x
  3. Step 3: Cross multiply
    111,292.28x = 153,636.55 × 63,536.41
  4. Step 4: Simplify right side
    111,292.28x = 9,761,514,288.85
  5. Step 5: Solve for x
    x = 9,761,514,288.85/111,292.28
  6. Step 6: Final answer
    x = 87,710.62

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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.