Home / 148,870.14-205,444.68-85,228.44

Finding the Fourth Proportional to 148,870.14, 205,444.68 and 85,228.44

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Solution

The fourth proportional to 148,870.14, 205,444.68 and 85,228.44 is: 117,617.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,870.14 : 205,444.68 = 85,228.44 : x
  2. Step 2: Convert to fraction form
    148,870.14/205,444.68 = 85,228.44/x
  3. Step 3: Cross multiply
    148,870.14x = 205,444.68 × 85,228.44
  4. Step 4: Simplify right side
    148,870.14x = 17,509,729,582.70
  5. Step 5: Solve for x
    x = 17,509,729,582.70/148,870.14
  6. Step 6: Final answer
    x = 117,617.47

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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.