Home / 161,333.98-222,641.08-89,712.46

Finding the Fourth Proportional to 161,333.98, 222,641.08 and 89,712.46

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Solution

The fourth proportional to 161,333.98, 222,641.08 and 89,712.46 is: 123,803.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,333.98 : 222,641.08 = 89,712.46 : x
  2. Step 2: Convert to fraction form
    161,333.98/222,641.08 = 89,712.46/x
  3. Step 3: Cross multiply
    161,333.98x = 222,641.08 × 89,712.46
  4. Step 4: Simplify right side
    161,333.98x = 19,973,678,983.86
  5. Step 5: Solve for x
    x = 19,973,678,983.86/161,333.98
  6. Step 6: Final answer
    x = 123,803.30

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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.