Home / 292,050.60-438,129.98-92,421.24

Finding the Fourth Proportional to 292,050.60, 438,129.98 and 92,421.24

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Solution

The fourth proportional to 292,050.60, 438,129.98 and 92,421.24 is: 138,648.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,050.60 : 438,129.98 = 92,421.24 : x
  2. Step 2: Convert to fraction form
    292,050.60/438,129.98 = 92,421.24/x
  3. Step 3: Cross multiply
    292,050.60x = 438,129.98 × 92,421.24
  4. Step 4: Simplify right side
    292,050.60x = 40,492,516,032.78
  5. Step 5: Solve for x
    x = 40,492,516,032.78/292,050.60
  6. Step 6: Final answer
    x = 138,648.97

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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.