Home / 149,339.29-223,973.55-42,719.96

Finding the Fourth Proportional to 149,339.29, 223,973.55 and 42,719.96

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Solution

The fourth proportional to 149,339.29, 223,973.55 and 42,719.96 is: 64,069.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,339.29 : 223,973.55 = 42,719.96 : x
  2. Step 2: Convert to fraction form
    149,339.29/223,973.55 = 42,719.96/x
  3. Step 3: Cross multiply
    149,339.29x = 223,973.55 × 42,719.96
  4. Step 4: Simplify right side
    149,339.29x = 9,568,141,097.06
  5. Step 5: Solve for x
    x = 9,568,141,097.06/149,339.29
  6. Step 6: Final answer
    x = 64,069.82

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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.