Home / 161,301.43-222,595.45-89,681.43

Finding the Fourth Proportional to 161,301.43, 222,595.45 and 89,681.43

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Solution

The fourth proportional to 161,301.43, 222,595.45 and 89,681.43 is: 123,760.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,301.43 : 222,595.45 = 89,681.43 : x
  2. Step 2: Convert to fraction form
    161,301.43/222,595.45 = 89,681.43/x
  3. Step 3: Cross multiply
    161,301.43x = 222,595.45 × 89,681.43
  4. Step 4: Simplify right side
    161,301.43x = 19,962,678,267.49
  5. Step 5: Solve for x
    x = 19,962,678,267.49/161,301.43
  6. Step 6: Final answer
    x = 123,760.08

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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.