Home / 157,169.47-235,751.89-38,840.81

Finding the Fourth Proportional to 157,169.47, 235,751.89 and 38,840.81

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Solution

The fourth proportional to 157,169.47, 235,751.89 and 38,840.81 is: 58,260.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,169.47 : 235,751.89 = 38,840.81 : x
  2. Step 2: Convert to fraction form
    157,169.47/235,751.89 = 38,840.81/x
  3. Step 3: Cross multiply
    157,169.47x = 235,751.89 × 38,840.81
  4. Step 4: Simplify right side
    157,169.47x = 9,156,794,366.63
  5. Step 5: Solve for x
    x = 9,156,794,366.63/157,169.47
  6. Step 6: Final answer
    x = 58,260.64

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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.