Home / 117,130.08-161,597.52-66,799.92

Finding the Fourth Proportional to 117,130.08, 161,597.52 and 66,799.92

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Solution

The fourth proportional to 117,130.08, 161,597.52 and 66,799.92 is: 92,159.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,130.08 : 161,597.52 = 66,799.92 : x
  2. Step 2: Convert to fraction form
    117,130.08/161,597.52 = 66,799.92/x
  3. Step 3: Cross multiply
    117,130.08x = 161,597.52 × 66,799.92
  4. Step 4: Simplify right side
    117,130.08x = 10,794,701,408.20
  5. Step 5: Solve for x
    x = 10,794,701,408.20/117,130.08
  6. Step 6: Final answer
    x = 92,159.94

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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.