Home / 292,217.10-438,196.05-134,493.90

Finding the Fourth Proportional to 292,217.10, 438,196.05 and 134,493.90

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Solution

The fourth proportional to 292,217.10, 438,196.05 and 134,493.90 is: 201,681.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,217.10 : 438,196.05 = 134,493.90 : x
  2. Step 2: Convert to fraction form
    292,217.10/438,196.05 = 134,493.90/x
  3. Step 3: Cross multiply
    292,217.10x = 438,196.05 × 134,493.90
  4. Step 4: Simplify right side
    292,217.10x = 58,934,695,729.10
  5. Step 5: Solve for x
    x = 58,934,695,729.10/292,217.10
  6. Step 6: Final answer
    x = 201,681.20

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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.