Home / 152,216.60-228,326.49-67,981.05

Finding the Fourth Proportional to 152,216.60, 228,326.49 and 67,981.05

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Solution

The fourth proportional to 152,216.60, 228,326.49 and 67,981.05 is: 101,972.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,216.60 : 228,326.49 = 67,981.05 : x
  2. Step 2: Convert to fraction form
    152,216.60/228,326.49 = 67,981.05/x
  3. Step 3: Cross multiply
    152,216.60x = 228,326.49 × 67,981.05
  4. Step 4: Simplify right side
    152,216.60x = 15,521,874,533.01
  5. Step 5: Solve for x
    x = 15,521,874,533.01/152,216.60
  6. Step 6: Final answer
    x = 101,972.29

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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.