Home / 161,938.93-223,465.62-89,342.76

Finding the Fourth Proportional to 161,938.93, 223,465.62 and 89,342.76

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Solution

The fourth proportional to 161,938.93, 223,465.62 and 89,342.76 is: 123,287.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,938.93 : 223,465.62 = 89,342.76 : x
  2. Step 2: Convert to fraction form
    161,938.93/223,465.62 = 89,342.76/x
  3. Step 3: Cross multiply
    161,938.93x = 223,465.62 × 89,342.76
  4. Step 4: Simplify right side
    161,938.93x = 19,965,035,255.91
  5. Step 5: Solve for x
    x = 19,965,035,255.91/161,938.93
  6. Step 6: Final answer
    x = 123,287.43

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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.