Home / 136,307.77-204,483.85-40,254.70

Finding the Fourth Proportional to 136,307.77, 204,483.85 and 40,254.70

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Solution

The fourth proportional to 136,307.77, 204,483.85 and 40,254.70 is: 60,388.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,307.77 : 204,483.85 = 40,254.70 : x
  2. Step 2: Convert to fraction form
    136,307.77/204,483.85 = 40,254.70/x
  3. Step 3: Cross multiply
    136,307.77x = 204,483.85 × 40,254.70
  4. Step 4: Simplify right side
    136,307.77x = 8,231,436,036.60
  5. Step 5: Solve for x
    x = 8,231,436,036.60/136,307.77
  6. Step 6: Final answer
    x = 60,388.60

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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.