Home / 445,149.18-614,303.73-243,945.18

Finding the Fourth Proportional to 445,149.18, 614,303.73 and 243,945.18

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Solution

The fourth proportional to 445,149.18, 614,303.73 and 243,945.18 is: 336,643.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,149.18 : 614,303.73 = 243,945.18 : x
  2. Step 2: Convert to fraction form
    445,149.18/614,303.73 = 243,945.18/x
  3. Step 3: Cross multiply
    445,149.18x = 614,303.73 × 243,945.18
  4. Step 4: Simplify right side
    445,149.18x = 149,856,433,989.52
  5. Step 5: Solve for x
    x = 149,856,433,989.52/445,149.18
  6. Step 6: Final answer
    x = 336,643.18

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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.