Home / 147,223.03-220,838.18-53,728.75

Finding the Fourth Proportional to 147,223.03, 220,838.18 and 53,728.75

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Solution

The fourth proportional to 147,223.03, 220,838.18 and 53,728.75 is: 80,594.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,223.03 : 220,838.18 = 53,728.75 : x
  2. Step 2: Convert to fraction form
    147,223.03/220,838.18 = 53,728.75/x
  3. Step 3: Cross multiply
    147,223.03x = 220,838.18 × 53,728.75
  4. Step 4: Simplify right side
    147,223.03x = 11,865,359,363.68
  5. Step 5: Solve for x
    x = 11,865,359,363.68/147,223.03
  6. Step 6: Final answer
    x = 80,594.45

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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.