Home / 292,271.10-438,419.03-92,587.06

Finding the Fourth Proportional to 292,271.10, 438,419.03 and 92,587.06

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Solution

The fourth proportional to 292,271.10, 438,419.03 and 92,587.06 is: 138,884.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,271.10 : 438,419.03 = 92,587.06 : x
  2. Step 2: Convert to fraction form
    292,271.10/438,419.03 = 92,587.06/x
  3. Step 3: Cross multiply
    292,271.10x = 438,419.03 × 92,587.06
  4. Step 4: Simplify right side
    292,271.10x = 40,591,929,035.75
  5. Step 5: Solve for x
    x = 40,591,929,035.75/292,271.10
  6. Step 6: Final answer
    x = 138,884.51

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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.