Home / 111,082.40-153,297.78-63,335.24

Finding the Fourth Proportional to 111,082.40, 153,297.78 and 63,335.24

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Solution

The fourth proportional to 111,082.40, 153,297.78 and 63,335.24 is: 87,404.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,082.40 : 153,297.78 = 63,335.24 : x
  2. Step 2: Convert to fraction form
    111,082.40/153,297.78 = 63,335.24/x
  3. Step 3: Cross multiply
    111,082.40x = 153,297.78 × 63,335.24
  4. Step 4: Simplify right side
    111,082.40x = 9,709,151,687.77
  5. Step 5: Solve for x
    x = 9,709,151,687.77/111,082.40
  6. Step 6: Final answer
    x = 87,404.95

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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.