Home / 161,838.71-223,337.46-90,217.19

Finding the Fourth Proportional to 161,838.71, 223,337.46 and 90,217.19

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Solution

The fourth proportional to 161,838.71, 223,337.46 and 90,217.19 is: 124,499.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,838.71 : 223,337.46 = 90,217.19 : x
  2. Step 2: Convert to fraction form
    161,838.71/223,337.46 = 90,217.19/x
  3. Step 3: Cross multiply
    161,838.71x = 223,337.46 × 90,217.19
  4. Step 4: Simplify right side
    161,838.71x = 20,148,878,062.94
  5. Step 5: Solve for x
    x = 20,148,878,062.94/161,838.71
  6. Step 6: Final answer
    x = 124,499.74

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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.