Home / 104,569.74-156,444.01-80,696.92

Finding the Fourth Proportional to 104,569.74, 156,444.01 and 80,696.92

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Solution

The fourth proportional to 104,569.74, 156,444.01 and 80,696.92 is: 120,728.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,569.74 : 156,444.01 = 80,696.92 : x
  2. Step 2: Convert to fraction form
    104,569.74/156,444.01 = 80,696.92/x
  3. Step 3: Cross multiply
    104,569.74x = 156,444.01 × 80,696.92
  4. Step 4: Simplify right side
    104,569.74x = 12,624,549,759.45
  5. Step 5: Solve for x
    x = 12,624,549,759.45/104,569.74
  6. Step 6: Final answer
    x = 120,728.52

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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.