Home / 161,186.40-222,373.56-93,190.92

Finding the Fourth Proportional to 161,186.40, 222,373.56 and 93,190.92

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Solution

The fourth proportional to 161,186.40, 222,373.56 and 93,190.92 is: 128,566.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,186.40 : 222,373.56 = 93,190.92 : x
  2. Step 2: Convert to fraction form
    161,186.40/222,373.56 = 93,190.92/x
  3. Step 3: Cross multiply
    161,186.40x = 222,373.56 × 93,190.92
  4. Step 4: Simplify right side
    161,186.40x = 20,723,196,640.08
  5. Step 5: Solve for x
    x = 20,723,196,640.08/161,186.40
  6. Step 6: Final answer
    x = 128,566.66

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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.