Home / 161,703.95-223,151.72-90,086.49

Finding the Fourth Proportional to 161,703.95, 223,151.72 and 90,086.49

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Solution

The fourth proportional to 161,703.95, 223,151.72 and 90,086.49 is: 124,319.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,703.95 : 223,151.72 = 90,086.49 : x
  2. Step 2: Convert to fraction form
    161,703.95/223,151.72 = 90,086.49/x
  3. Step 3: Cross multiply
    161,703.95x = 223,151.72 × 90,086.49
  4. Step 4: Simplify right side
    161,703.95x = 20,102,954,741.83
  5. Step 5: Solve for x
    x = 20,102,954,741.83/161,703.95
  6. Step 6: Final answer
    x = 124,319.51

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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.