Home / 212,139.41-292,751.43-116,645.88

Finding the Fourth Proportional to 212,139.41, 292,751.43 and 116,645.88

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Solution

The fourth proportional to 212,139.41, 292,751.43 and 116,645.88 is: 160,970.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,139.41 : 292,751.43 = 116,645.88 : x
  2. Step 2: Convert to fraction form
    212,139.41/292,751.43 = 116,645.88/x
  3. Step 3: Cross multiply
    212,139.41x = 292,751.43 × 116,645.88
  4. Step 4: Simplify right side
    212,139.41x = 34,148,248,173.61
  5. Step 5: Solve for x
    x = 34,148,248,173.61/212,139.41
  6. Step 6: Final answer
    x = 160,970.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.