Home / 161,045.64-222,238.76-89,423.82

Finding the Fourth Proportional to 161,045.64, 222,238.76 and 89,423.82

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Solution

The fourth proportional to 161,045.64, 222,238.76 and 89,423.82 is: 123,402.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,045.64 : 222,238.76 = 89,423.82 : x
  2. Step 2: Convert to fraction form
    161,045.64/222,238.76 = 89,423.82/x
  3. Step 3: Cross multiply
    161,045.64x = 222,238.76 × 89,423.82
  4. Step 4: Simplify right side
    161,045.64x = 19,873,438,424.14
  5. Step 5: Solve for x
    x = 19,873,438,424.14/161,045.64
  6. Step 6: Final answer
    x = 123,402.52

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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.