Home / 113,801.20-170,896.20-74,532.40

Finding the Fourth Proportional to 113,801.20, 170,896.20 and 74,532.40

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Solution

The fourth proportional to 113,801.20, 170,896.20 and 74,532.40 is: 111,925.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,801.20 : 170,896.20 = 74,532.40 : x
  2. Step 2: Convert to fraction form
    113,801.20/170,896.20 = 74,532.40/x
  3. Step 3: Cross multiply
    113,801.20x = 170,896.20 × 74,532.40
  4. Step 4: Simplify right side
    113,801.20x = 12,737,303,936.88
  5. Step 5: Solve for x
    x = 12,737,303,936.88/113,801.20
  6. Step 6: Final answer
    x = 111,925.92

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1.5x scale

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.