Home / 117,188.52-161,730.10-66,210.62

Finding the Fourth Proportional to 117,188.52, 161,730.10 and 66,210.62

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Solution

The fourth proportional to 117,188.52, 161,730.10 and 66,210.62 is: 91,376.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,188.52 : 161,730.10 = 66,210.62 : x
  2. Step 2: Convert to fraction form
    117,188.52/161,730.10 = 66,210.62/x
  3. Step 3: Cross multiply
    117,188.52x = 161,730.10 × 66,210.62
  4. Step 4: Simplify right side
    117,188.52x = 10,708,250,193.66
  5. Step 5: Solve for x
    x = 10,708,250,193.66/117,188.52
  6. Step 6: Final answer
    x = 91,376.27

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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.