Home / 129,409.20-194,048.16-59,228.40

Finding the Fourth Proportional to 129,409.20, 194,048.16 and 59,228.40

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Solution

The fourth proportional to 129,409.20, 194,048.16 and 59,228.40 is: 88,812.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,409.20 : 194,048.16 = 59,228.40 : x
  2. Step 2: Convert to fraction form
    129,409.20/194,048.16 = 59,228.40/x
  3. Step 3: Cross multiply
    129,409.20x = 194,048.16 × 59,228.40
  4. Step 4: Simplify right side
    129,409.20x = 11,493,162,039.74
  5. Step 5: Solve for x
    x = 11,493,162,039.74/129,409.20
  6. Step 6: Final answer
    x = 88,812.56

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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.