Home / 320,384.16-442,125.29-175,190.41

Finding the Fourth Proportional to 320,384.16, 442,125.29 and 175,190.41

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Solution

The fourth proportional to 320,384.16, 442,125.29 and 175,190.41 is: 241,760.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,384.16 : 442,125.29 = 175,190.41 : x
  2. Step 2: Convert to fraction form
    320,384.16/442,125.29 = 175,190.41/x
  3. Step 3: Cross multiply
    320,384.16x = 442,125.29 × 175,190.41
  4. Step 4: Simplify right side
    320,384.16x = 77,456,108,845.20
  5. Step 5: Solve for x
    x = 77,456,108,845.20/320,384.16
  6. Step 6: Final answer
    x = 241,760.11

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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.