Home / 149,307.20-223,701.60-96,689.60

Finding the Fourth Proportional to 149,307.20, 223,701.60 and 96,689.60

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Solution

The fourth proportional to 149,307.20, 223,701.60 and 96,689.60 is: 144,866.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,307.20 : 223,701.60 = 96,689.60 : x
  2. Step 2: Convert to fraction form
    149,307.20/223,701.60 = 96,689.60/x
  3. Step 3: Cross multiply
    149,307.20x = 223,701.60 × 96,689.60
  4. Step 4: Simplify right side
    149,307.20x = 21,629,618,223.36
  5. Step 5: Solve for x
    x = 21,629,618,223.36/149,307.20
  6. Step 6: Final answer
    x = 144,866.55

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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.