Home / 107,203.55-148,618.50-101,515.76

Finding the Fourth Proportional to 107,203.55, 148,618.50 and 101,515.76

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Solution

The fourth proportional to 107,203.55, 148,618.50 and 101,515.76 is: 140,733.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,203.55 : 148,618.50 = 101,515.76 : x
  2. Step 2: Convert to fraction form
    107,203.55/148,618.50 = 101,515.76/x
  3. Step 3: Cross multiply
    107,203.55x = 148,618.50 × 101,515.76
  4. Step 4: Simplify right side
    107,203.55x = 15,087,118,993.11
  5. Step 5: Solve for x
    x = 15,087,118,993.11/107,203.55
  6. Step 6: Final answer
    x = 140,733.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.