Home / 293,143.16-439,740.66-159,966.20

Finding the Fourth Proportional to 293,143.16, 439,740.66 and 159,966.20

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Solution

The fourth proportional to 293,143.16, 439,740.66 and 159,966.20 is: 239,963.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,143.16 : 439,740.66 = 159,966.20 : x
  2. Step 2: Convert to fraction form
    293,143.16/439,740.66 = 159,966.20/x
  3. Step 3: Cross multiply
    293,143.16x = 439,740.66 × 159,966.20
  4. Step 4: Simplify right side
    293,143.16x = 70,343,642,365.69
  5. Step 5: Solve for x
    x = 70,343,642,365.69/293,143.16
  6. Step 6: Final answer
    x = 239,963.44

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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.