Home / 104,385.40-156,626.70-54,521.80

Finding the Fourth Proportional to 104,385.40, 156,626.70 and 54,521.80

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Solution

The fourth proportional to 104,385.40, 156,626.70 and 54,521.80 is: 81,808.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,385.40 : 156,626.70 = 54,521.80 : x
  2. Step 2: Convert to fraction form
    104,385.40/156,626.70 = 54,521.80/x
  3. Step 3: Cross multiply
    104,385.40x = 156,626.70 × 54,521.80
  4. Step 4: Simplify right side
    104,385.40x = 8,539,569,612.06
  5. Step 5: Solve for x
    x = 8,539,569,612.06/104,385.40
  6. Step 6: Final answer
    x = 81,808.08

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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.