Home / 117,134.08-161,603.04-66,803.92

Finding the Fourth Proportional to 117,134.08, 161,603.04 and 66,803.92

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Solution

The fourth proportional to 117,134.08, 161,603.04 and 66,803.92 is: 92,165.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,134.08 : 161,603.04 = 66,803.92 : x
  2. Step 2: Convert to fraction form
    117,134.08/161,603.04 = 66,803.92/x
  3. Step 3: Cross multiply
    117,134.08x = 161,603.04 × 66,803.92
  4. Step 4: Simplify right side
    117,134.08x = 10,795,716,555.92
  5. Step 5: Solve for x
    x = 10,795,716,555.92/117,134.08
  6. Step 6: Final answer
    x = 92,165.46

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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.