Home / 179,069.93-247,151.56-102,640.22

Finding the Fourth Proportional to 179,069.93, 247,151.56 and 102,640.22

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Solution

The fourth proportional to 179,069.93, 247,151.56 and 102,640.22 is: 141,663.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,069.93 : 247,151.56 = 102,640.22 : x
  2. Step 2: Convert to fraction form
    179,069.93/247,151.56 = 102,640.22/x
  3. Step 3: Cross multiply
    179,069.93x = 247,151.56 × 102,640.22
  4. Step 4: Simplify right side
    179,069.93x = 25,367,688,742.78
  5. Step 5: Solve for x
    x = 25,367,688,742.78/179,069.93
  6. Step 6: Final answer
    x = 141,663.59

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1.5x scale

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.