Home / 148,239.53-204,569.06-80,254.70

Finding the Fourth Proportional to 148,239.53, 204,569.06 and 80,254.70

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Solution

The fourth proportional to 148,239.53, 204,569.06 and 80,254.70 is: 110,750.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,239.53 : 204,569.06 = 80,254.70 : x
  2. Step 2: Convert to fraction form
    148,239.53/204,569.06 = 80,254.70/x
  3. Step 3: Cross multiply
    148,239.53x = 204,569.06 × 80,254.70
  4. Step 4: Simplify right side
    148,239.53x = 16,417,628,539.58
  5. Step 5: Solve for x
    x = 16,417,628,539.58/148,239.53
  6. Step 6: Final answer
    x = 110,750.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.