Home / 129,114.40-193,671.75-40,368.37

Finding the Fourth Proportional to 129,114.40, 193,671.75 and 40,368.37

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Solution

The fourth proportional to 129,114.40, 193,671.75 and 40,368.37 is: 60,552.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,114.40 : 193,671.75 = 40,368.37 : x
  2. Step 2: Convert to fraction form
    129,114.40/193,671.75 = 40,368.37/x
  3. Step 3: Cross multiply
    129,114.40x = 193,671.75 × 40,368.37
  4. Step 4: Simplify right side
    129,114.40x = 7,818,212,862.55
  5. Step 5: Solve for x
    x = 7,818,212,862.55/129,114.40
  6. Step 6: Final answer
    x = 60,552.60

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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.