Home / 107,715.24-148,322.41-101,402.91

Finding the Fourth Proportional to 107,715.24, 148,322.41 and 101,402.91

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Solution

The fourth proportional to 107,715.24, 148,322.41 and 101,402.91 is: 139,630.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,715.24 : 148,322.41 = 101,402.91 : x
  2. Step 2: Convert to fraction form
    107,715.24/148,322.41 = 101,402.91/x
  3. Step 3: Cross multiply
    107,715.24x = 148,322.41 × 101,402.91
  4. Step 4: Simplify right side
    107,715.24x = 15,040,323,738.71
  5. Step 5: Solve for x
    x = 15,040,323,738.71/107,715.24
  6. Step 6: Final answer
    x = 139,630.42

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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.