Home / 292,014.72-438,090.48-123,550.20

Finding the Fourth Proportional to 292,014.72, 438,090.48 and 123,550.20

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Solution

The fourth proportional to 292,014.72, 438,090.48 and 123,550.20 is: 185,354.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,014.72 : 438,090.48 = 123,550.20 : x
  2. Step 2: Convert to fraction form
    292,014.72/438,090.48 = 123,550.20/x
  3. Step 3: Cross multiply
    292,014.72x = 438,090.48 × 123,550.20
  4. Step 4: Simplify right side
    292,014.72x = 54,126,166,422.10
  5. Step 5: Solve for x
    x = 54,126,166,422.10/292,014.72
  6. Step 6: Final answer
    x = 185,354.24

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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.