Home / 161,423.47-222,767.38-89,810.16

Finding the Fourth Proportional to 161,423.47, 222,767.38 and 89,810.16

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Solution

The fourth proportional to 161,423.47, 222,767.38 and 89,810.16 is: 123,939.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,423.47 : 222,767.38 = 89,810.16 : x
  2. Step 2: Convert to fraction form
    161,423.47/222,767.38 = 89,810.16/x
  3. Step 3: Cross multiply
    161,423.47x = 222,767.38 × 89,810.16
  4. Step 4: Simplify right side
    161,423.47x = 20,006,774,040.58
  5. Step 5: Solve for x
    x = 20,006,774,040.58/161,423.47
  6. Step 6: Final answer
    x = 123,939.69

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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.