Home / 212,445.16-318,520.10-94,051.92

Finding the Fourth Proportional to 212,445.16, 318,520.10 and 94,051.92

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Solution

The fourth proportional to 212,445.16, 318,520.10 and 94,051.92 is: 141,012.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,445.16 : 318,520.10 = 94,051.92 : x
  2. Step 2: Convert to fraction form
    212,445.16/318,520.10 = 94,051.92/x
  3. Step 3: Cross multiply
    212,445.16x = 318,520.10 × 94,051.92
  4. Step 4: Simplify right side
    212,445.16x = 29,957,426,963.59
  5. Step 5: Solve for x
    x = 29,957,426,963.59/212,445.16
  6. Step 6: Final answer
    x = 141,012.52

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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.