Home / 117,151.88-161,681.53-84,473.18

Finding the Fourth Proportional to 117,151.88, 161,681.53 and 84,473.18

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Solution

The fourth proportional to 117,151.88, 161,681.53 and 84,473.18 is: 116,581.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,151.88 : 161,681.53 = 84,473.18 : x
  2. Step 2: Convert to fraction form
    117,151.88/161,681.53 = 84,473.18/x
  3. Step 3: Cross multiply
    117,151.88x = 161,681.53 × 84,473.18
  4. Step 4: Simplify right side
    117,151.88x = 13,657,752,177.96
  5. Step 5: Solve for x
    x = 13,657,752,177.96/117,151.88
  6. Step 6: Final answer
    x = 116,581.59

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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.