Home / 117,088.40-161,580.36-66,788.24

Finding the Fourth Proportional to 117,088.40, 161,580.36 and 66,788.24

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Solution

The fourth proportional to 117,088.40, 161,580.36 and 66,788.24 is: 92,166.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,088.40 : 161,580.36 = 66,788.24 : x
  2. Step 2: Convert to fraction form
    117,088.40/161,580.36 = 66,788.24/x
  3. Step 3: Cross multiply
    117,088.40x = 161,580.36 × 66,788.24
  4. Step 4: Simplify right side
    117,088.40x = 10,791,667,862.97
  5. Step 5: Solve for x
    x = 10,791,667,862.97/117,088.40
  6. Step 6: Final answer
    x = 92,166.84

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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.