Home / 117,258.90-161,817.93-63,543.96

Finding the Fourth Proportional to 117,258.90, 161,817.93 and 63,543.96

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Solution

The fourth proportional to 117,258.90, 161,817.93 and 63,543.96 is: 87,691.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,258.90 : 161,817.93 = 63,543.96 : x
  2. Step 2: Convert to fraction form
    117,258.90/161,817.93 = 63,543.96/x
  3. Step 3: Cross multiply
    117,258.90x = 161,817.93 × 63,543.96
  4. Step 4: Simplify right side
    117,258.90x = 10,282,552,071.20
  5. Step 5: Solve for x
    x = 10,282,552,071.20/117,258.90
  6. Step 6: Final answer
    x = 87,691.02

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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.