Home / 132,931.08-199,140.70-104,701.80

Finding the Fourth Proportional to 132,931.08, 199,140.70 and 104,701.80

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Solution

The fourth proportional to 132,931.08, 199,140.70 and 104,701.80 is: 156,851.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,931.08 : 199,140.70 = 104,701.80 : x
  2. Step 2: Convert to fraction form
    132,931.08/199,140.70 = 104,701.80/x
  3. Step 3: Cross multiply
    132,931.08x = 199,140.70 × 104,701.80
  4. Step 4: Simplify right side
    132,931.08x = 20,850,389,743.26
  5. Step 5: Solve for x
    x = 20,850,389,743.26/132,931.08
  6. Step 6: Final answer
    x = 156,851.13

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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.