Home / 161,833.80-223,330.74-90,212.16

Finding the Fourth Proportional to 161,833.80, 223,330.74 and 90,212.16

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Solution

The fourth proportional to 161,833.80, 223,330.74 and 90,212.16 is: 124,492.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,833.80 : 223,330.74 = 90,212.16 : x
  2. Step 2: Convert to fraction form
    161,833.80/223,330.74 = 90,212.16/x
  3. Step 3: Cross multiply
    161,833.80x = 223,330.74 × 90,212.16
  4. Step 4: Simplify right side
    161,833.80x = 20,147,148,449.80
  5. Step 5: Solve for x
    x = 20,147,148,449.80/161,833.80
  6. Step 6: Final answer
    x = 124,492.83

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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.