Home / 179,626.35-247,900.95-103,155.47

Finding the Fourth Proportional to 179,626.35, 247,900.95 and 103,155.47

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Solution

The fourth proportional to 179,626.35, 247,900.95 and 103,155.47 is: 142,364.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,626.35 : 247,900.95 = 103,155.47 : x
  2. Step 2: Convert to fraction form
    179,626.35/247,900.95 = 103,155.47/x
  3. Step 3: Cross multiply
    179,626.35x = 247,900.95 × 103,155.47
  4. Step 4: Simplify right side
    179,626.35x = 25,572,339,010.70
  5. Step 5: Solve for x
    x = 25,572,339,010.70/179,626.35
  6. Step 6: Final answer
    x = 142,364.07

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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.