Home / 112,521.60-155,280.96-62,222.40

Finding the Fourth Proportional to 112,521.60, 155,280.96 and 62,222.40

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Solution

The fourth proportional to 112,521.60, 155,280.96 and 62,222.40 is: 85,867.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,521.60 : 155,280.96 = 62,222.40 : x
  2. Step 2: Convert to fraction form
    112,521.60/155,280.96 = 62,222.40/x
  3. Step 3: Cross multiply
    112,521.60x = 155,280.96 × 62,222.40
  4. Step 4: Simplify right side
    112,521.60x = 9,661,954,005.50
  5. Step 5: Solve for x
    x = 9,661,954,005.50/112,521.60
  6. Step 6: Final answer
    x = 85,867.55

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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.