Home / 147,591.46-221,452.23-77,453.86

Finding the Fourth Proportional to 147,591.46, 221,452.23 and 77,453.86

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Solution

The fourth proportional to 147,591.46, 221,452.23 and 77,453.86 is: 116,214.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,591.46 : 221,452.23 = 77,453.86 : x
  2. Step 2: Convert to fraction form
    147,591.46/221,452.23 = 77,453.86/x
  3. Step 3: Cross multiply
    147,591.46x = 221,452.23 × 77,453.86
  4. Step 4: Simplify right side
    147,591.46x = 17,152,330,019.11
  5. Step 5: Solve for x
    x = 17,152,330,019.11/147,591.46
  6. Step 6: Final answer
    x = 116,214.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.