Home / 161,953.38-223,495.08-90,333.35

Finding the Fourth Proportional to 161,953.38, 223,495.08 and 90,333.35

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Solution

The fourth proportional to 161,953.38, 223,495.08 and 90,333.35 is: 124,659.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,953.38 : 223,495.08 = 90,333.35 : x
  2. Step 2: Convert to fraction form
    161,953.38/223,495.08 = 90,333.35/x
  3. Step 3: Cross multiply
    161,953.38x = 223,495.08 × 90,333.35
  4. Step 4: Simplify right side
    161,953.38x = 20,189,059,284.92
  5. Step 5: Solve for x
    x = 20,189,059,284.92/161,953.38
  6. Step 6: Final answer
    x = 124,659.70

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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.