Home / 116,948.40-175,170.96-66,888

Finding the Fourth Proportional to 116,948.40, 175,170.96 and 66,888

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Solution

The fourth proportional to 116,948.40, 175,170.96 and 66,888 is: 100,188.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,948.40 : 175,170.96 = 66,888 : x
  2. Step 2: Convert to fraction form
    116,948.40/175,170.96 = 66,888/x
  3. Step 3: Cross multiply
    116,948.40x = 175,170.96 × 66,888
  4. Step 4: Simplify right side
    116,948.40x = 11,716,835,172.48
  5. Step 5: Solve for x
    x = 11,716,835,172.48/116,948.40
  6. Step 6: Final answer
    x = 100,188.08

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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.