Home / 445,153.18-614,309.25-243,949.18

Finding the Fourth Proportional to 445,153.18, 614,309.25 and 243,949.18

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Solution

The fourth proportional to 445,153.18, 614,309.25 and 243,949.18 is: 336,648.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,153.18 : 614,309.25 = 243,949.18 : x
  2. Step 2: Convert to fraction form
    445,153.18/614,309.25 = 243,949.18/x
  3. Step 3: Cross multiply
    445,153.18x = 614,309.25 × 243,949.18
  4. Step 4: Simplify right side
    445,153.18x = 149,860,237,803.92
  5. Step 5: Solve for x
    x = 149,860,237,803.92/445,153.18
  6. Step 6: Final answer
    x = 336,648.70

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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.