Home / 161,064.79-222,276.79-89,445.13

Finding the Fourth Proportional to 161,064.79, 222,276.79 and 89,445.13

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Solution

The fourth proportional to 161,064.79, 222,276.79 and 89,445.13 is: 123,438.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,064.79 : 222,276.79 = 89,445.13 : x
  2. Step 2: Convert to fraction form
    161,064.79/222,276.79 = 89,445.13/x
  3. Step 3: Cross multiply
    161,064.79x = 222,276.79 × 89,445.13
  4. Step 4: Simplify right side
    161,064.79x = 19,881,575,933.65
  5. Step 5: Solve for x
    x = 19,881,575,933.65/161,064.79
  6. Step 6: Final answer
    x = 123,438.38

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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.