Home / 161,867.68-223,482-113,382.64

Finding the Fourth Proportional to 161,867.68, 223,482 and 113,382.64

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Solution

The fourth proportional to 161,867.68, 223,482 and 113,382.64 is: 156,541.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,867.68 : 223,482 = 113,382.64 : x
  2. Step 2: Convert to fraction form
    161,867.68/223,482 = 113,382.64/x
  3. Step 3: Cross multiply
    161,867.68x = 223,482 × 113,382.64
  4. Step 4: Simplify right side
    161,867.68x = 25,338,979,152.48
  5. Step 5: Solve for x
    x = 25,338,979,152.48/161,867.68
  6. Step 6: Final answer
    x = 156,541.31

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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.