Home / 160,586.81-221,520.51-126,469.61

Finding the Fourth Proportional to 160,586.81, 221,520.51 and 126,469.61

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Solution

The fourth proportional to 160,586.81, 221,520.51 and 126,469.61 is: 174,457.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,586.81 : 221,520.51 = 126,469.61 : x
  2. Step 2: Convert to fraction form
    160,586.81/221,520.51 = 126,469.61/x
  3. Step 3: Cross multiply
    160,586.81x = 221,520.51 × 126,469.61
  4. Step 4: Simplify right side
    160,586.81x = 28,015,612,506.70
  5. Step 5: Solve for x
    x = 28,015,612,506.70/160,586.81
  6. Step 6: Final answer
    x = 174,457.74

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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.