Home / 152,787.92-210,844.15-84,800.91

Finding the Fourth Proportional to 152,787.92, 210,844.15 and 84,800.91

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Solution

The fourth proportional to 152,787.92, 210,844.15 and 84,800.91 is: 117,023.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,787.92 : 210,844.15 = 84,800.91 : x
  2. Step 2: Convert to fraction form
    152,787.92/210,844.15 = 84,800.91/x
  3. Step 3: Cross multiply
    152,787.92x = 210,844.15 × 84,800.91
  4. Step 4: Simplify right side
    152,787.92x = 17,879,775,788.18
  5. Step 5: Solve for x
    x = 17,879,775,788.18/152,787.92
  6. Step 6: Final answer
    x = 117,023.49

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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.