Home / 145,836.48-218,623.20-52,320.24

Finding the Fourth Proportional to 145,836.48, 218,623.20 and 52,320.24

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Solution

The fourth proportional to 145,836.48, 218,623.20 and 52,320.24 is: 78,433.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,836.48 : 218,623.20 = 52,320.24 : x
  2. Step 2: Convert to fraction form
    145,836.48/218,623.20 = 52,320.24/x
  3. Step 3: Cross multiply
    145,836.48x = 218,623.20 × 52,320.24
  4. Step 4: Simplify right side
    145,836.48x = 11,438,418,293.57
  5. Step 5: Solve for x
    x = 11,438,418,293.57/145,836.48
  6. Step 6: Final answer
    x = 78,433.18

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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.