Home / 161,777.07-223,252.67-90,155.66

Finding the Fourth Proportional to 161,777.07, 223,252.67 and 90,155.66

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Solution

The fourth proportional to 161,777.07, 223,252.67 and 90,155.66 is: 124,414.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,777.07 : 223,252.67 = 90,155.66 : x
  2. Step 2: Convert to fraction form
    161,777.07/223,252.67 = 90,155.66/x
  3. Step 3: Cross multiply
    161,777.07x = 223,252.67 × 90,155.66
  4. Step 4: Simplify right side
    161,777.07x = 20,127,490,919.74
  5. Step 5: Solve for x
    x = 20,127,490,919.74/161,777.07
  6. Step 6: Final answer
    x = 124,414.98

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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.