Home / 161,938.17-223,475.07-90,322.83

Finding the Fourth Proportional to 161,938.17, 223,475.07 and 90,322.83

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Solution

The fourth proportional to 161,938.17, 223,475.07 and 90,322.83 is: 124,645.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,938.17 : 223,475.07 = 90,322.83 : x
  2. Step 2: Convert to fraction form
    161,938.17/223,475.07 = 90,322.83/x
  3. Step 3: Cross multiply
    161,938.17x = 223,475.07 × 90,322.83
  4. Step 4: Simplify right side
    161,938.17x = 20,184,901,095.56
  5. Step 5: Solve for x
    x = 20,184,901,095.56/161,938.17
  6. Step 6: Final answer
    x = 124,645.73

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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.