Home / 283,058.04-390,623.18-153,997.24

Finding the Fourth Proportional to 283,058.04, 390,623.18 and 153,997.24

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Solution

The fourth proportional to 283,058.04, 390,623.18 and 153,997.24 is: 212,517.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,058.04 : 390,623.18 = 153,997.24 : x
  2. Step 2: Convert to fraction form
    283,058.04/390,623.18 = 153,997.24/x
  3. Step 3: Cross multiply
    283,058.04x = 390,623.18 × 153,997.24
  4. Step 4: Simplify right side
    283,058.04x = 60,154,891,600.02
  5. Step 5: Solve for x
    x = 60,154,891,600.02/283,058.04
  6. Step 6: Final answer
    x = 212,517.87

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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.