Home / 155,503.20-232,973.18-71,333.76

Finding the Fourth Proportional to 155,503.20, 232,973.18 and 71,333.76

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Solution

The fourth proportional to 155,503.20, 232,973.18 and 71,333.76 is: 106,871.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,503.20 : 232,973.18 = 71,333.76 : x
  2. Step 2: Convert to fraction form
    155,503.20/232,973.18 = 71,333.76/x
  3. Step 3: Cross multiply
    155,503.20x = 232,973.18 × 71,333.76
  4. Step 4: Simplify right side
    155,503.20x = 16,618,852,908.56
  5. Step 5: Solve for x
    x = 16,618,852,908.56/155,503.20
  6. Step 6: Final answer
    x = 106,871.45

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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.