Home / 148,818.28-205,423.14-98,533.48

Finding the Fourth Proportional to 148,818.28, 205,423.14 and 98,533.48

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Solution

The fourth proportional to 148,818.28, 205,423.14 and 98,533.48 is: 136,011.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,818.28 : 205,423.14 = 98,533.48 : x
  2. Step 2: Convert to fraction form
    148,818.28/205,423.14 = 98,533.48/x
  3. Step 3: Cross multiply
    148,818.28x = 205,423.14 × 98,533.48
  4. Step 4: Simplify right side
    148,818.28x = 20,241,056,856.73
  5. Step 5: Solve for x
    x = 20,241,056,856.73/148,818.28
  6. Step 6: Final answer
    x = 136,011.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.