Home / 97,521.18-146,218.68-64,140.18

Finding the Fourth Proportional to 97,521.18, 146,218.68 and 64,140.18

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Solution

The fourth proportional to 97,521.18, 146,218.68 and 64,140.18 is: 96,168.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,521.18 : 146,218.68 = 64,140.18 : x
  2. Step 2: Convert to fraction form
    97,521.18/146,218.68 = 64,140.18/x
  3. Step 3: Cross multiply
    97,521.18x = 146,218.68 × 64,140.18
  4. Step 4: Simplify right side
    97,521.18x = 9,378,492,454.56
  5. Step 5: Solve for x
    x = 9,378,492,454.56/97,521.18
  6. Step 6: Final answer
    x = 96,168.78

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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.