Home / 160,881.51-222,017.34-89,261.53

Finding the Fourth Proportional to 160,881.51, 222,017.34 and 89,261.53

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Solution

The fourth proportional to 160,881.51, 222,017.34 and 89,261.53 is: 123,181.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,881.51 : 222,017.34 = 89,261.53 : x
  2. Step 2: Convert to fraction form
    160,881.51/222,017.34 = 89,261.53/x
  3. Step 3: Cross multiply
    160,881.51x = 222,017.34 × 89,261.53
  4. Step 4: Simplify right side
    160,881.51x = 19,817,606,732.52
  5. Step 5: Solve for x
    x = 19,817,606,732.52/160,881.51
  6. Step 6: Final answer
    x = 123,181.38

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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.