Home / 239,386.38-330,416.78-141,355.52

Finding the Fourth Proportional to 239,386.38, 330,416.78 and 141,355.52

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Solution

The fourth proportional to 239,386.38, 330,416.78 and 141,355.52 is: 195,108.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,386.38 : 330,416.78 = 141,355.52 : x
  2. Step 2: Convert to fraction form
    239,386.38/330,416.78 = 141,355.52/x
  3. Step 3: Cross multiply
    239,386.38x = 330,416.78 × 141,355.52
  4. Step 4: Simplify right side
    239,386.38x = 46,706,235,753.63
  5. Step 5: Solve for x
    x = 46,706,235,753.63/239,386.38
  6. Step 6: Final answer
    x = 195,108.16

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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.