Home / 161,111.07-222,333.17-89,497.76

Finding the Fourth Proportional to 161,111.07, 222,333.17 and 89,497.76

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Solution

The fourth proportional to 161,111.07, 222,333.17 and 89,497.76 is: 123,506.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,111.07 : 222,333.17 = 89,497.76 : x
  2. Step 2: Convert to fraction form
    161,111.07/222,333.17 = 89,497.76/x
  3. Step 3: Cross multiply
    161,111.07x = 222,333.17 × 89,497.76
  4. Step 4: Simplify right side
    161,111.07x = 19,898,319,129.54
  5. Step 5: Solve for x
    x = 19,898,319,129.54/161,111.07
  6. Step 6: Final answer
    x = 123,506.84

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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.