Home / 124,802.39-172,200.20-73,817.96

Finding the Fourth Proportional to 124,802.39, 172,200.20 and 73,817.96

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Solution

The fourth proportional to 124,802.39, 172,200.20 and 73,817.96 is: 101,852.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,802.39 : 172,200.20 = 73,817.96 : x
  2. Step 2: Convert to fraction form
    124,802.39/172,200.20 = 73,817.96/x
  3. Step 3: Cross multiply
    124,802.39x = 172,200.20 × 73,817.96
  4. Step 4: Simplify right side
    124,802.39x = 12,711,466,245.50
  5. Step 5: Solve for x
    x = 12,711,466,245.50/124,802.39
  6. Step 6: Final answer
    x = 101,852.74

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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.