Home / 399,031.04-598,196.16-162,572.64

Finding the Fourth Proportional to 399,031.04, 598,196.16 and 162,572.64

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Solution

The fourth proportional to 399,031.04, 598,196.16 and 162,572.64 is: 243,716.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,031.04 : 598,196.16 = 162,572.64 : x
  2. Step 2: Convert to fraction form
    399,031.04/598,196.16 = 162,572.64/x
  3. Step 3: Cross multiply
    399,031.04x = 598,196.16 × 162,572.64
  4. Step 4: Simplify right side
    399,031.04x = 97,250,328,969.06
  5. Step 5: Solve for x
    x = 97,250,328,969.06/399,031.04
  6. Step 6: Final answer
    x = 243,716.20

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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.