Home / 161,112.57-222,285.18-93,104.76

Finding the Fourth Proportional to 161,112.57, 222,285.18 and 93,104.76

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Solution

The fourth proportional to 161,112.57, 222,285.18 and 93,104.76 is: 128,455.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,112.57 : 222,285.18 = 93,104.76 : x
  2. Step 2: Convert to fraction form
    161,112.57/222,285.18 = 93,104.76/x
  3. Step 3: Cross multiply
    161,112.57x = 222,285.18 × 93,104.76
  4. Step 4: Simplify right side
    161,112.57x = 20,695,808,335.46
  5. Step 5: Solve for x
    x = 20,695,808,335.46/161,112.57
  6. Step 6: Final answer
    x = 128,455.58

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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.