Home / 145,240.92-217,835.46-38,625.48

Finding the Fourth Proportional to 145,240.92, 217,835.46 and 38,625.48

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Solution

The fourth proportional to 145,240.92, 217,835.46 and 38,625.48 is: 57,931.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,240.92 : 217,835.46 = 38,625.48 : x
  2. Step 2: Convert to fraction form
    145,240.92/217,835.46 = 38,625.48/x
  3. Step 3: Cross multiply
    145,240.92x = 217,835.46 × 38,625.48
  4. Step 4: Simplify right side
    145,240.92x = 8,413,999,203.52
  5. Step 5: Solve for x
    x = 8,413,999,203.52/145,240.92
  6. Step 6: Final answer
    x = 57,931.33

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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.