Home / 117,945.40-176,723.70-98,116.60

Finding the Fourth Proportional to 117,945.40, 176,723.70 and 98,116.60

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Solution

The fourth proportional to 117,945.40, 176,723.70 and 98,116.60 is: 147,013.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,945.40 : 176,723.70 = 98,116.60 : x
  2. Step 2: Convert to fraction form
    117,945.40/176,723.70 = 98,116.60/x
  3. Step 3: Cross multiply
    117,945.40x = 176,723.70 × 98,116.60
  4. Step 4: Simplify right side
    117,945.40x = 17,339,528,583.42
  5. Step 5: Solve for x
    x = 17,339,528,583.42/117,945.40
  6. Step 6: Final answer
    x = 147,013.18

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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.