Home / 243,869.24-365,712.94-83,900.45

Finding the Fourth Proportional to 243,869.24, 365,712.94 and 83,900.45

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Solution

The fourth proportional to 243,869.24, 365,712.94 and 83,900.45 is: 125,819.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,869.24 : 365,712.94 = 83,900.45 : x
  2. Step 2: Convert to fraction form
    243,869.24/365,712.94 = 83,900.45/x
  3. Step 3: Cross multiply
    243,869.24x = 365,712.94 × 83,900.45
  4. Step 4: Simplify right side
    243,869.24x = 30,683,480,236.82
  5. Step 5: Solve for x
    x = 30,683,480,236.82/243,869.24
  6. Step 6: Final answer
    x = 125,819.40

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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.