Home / 116,030.80-173,657.40-106,699.60

Finding the Fourth Proportional to 116,030.80, 173,657.40 and 106,699.60

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Solution

The fourth proportional to 116,030.80, 173,657.40 and 106,699.60 is: 159,691.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,030.80 : 173,657.40 = 106,699.60 : x
  2. Step 2: Convert to fraction form
    116,030.80/173,657.40 = 106,699.60/x
  3. Step 3: Cross multiply
    116,030.80x = 173,657.40 × 106,699.60
  4. Step 4: Simplify right side
    116,030.80x = 18,529,175,117.04
  5. Step 5: Solve for x
    x = 18,529,175,117.04/116,030.80
  6. Step 6: Final answer
    x = 159,691.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.