Home / 153,581.92-211,953.68-93,155.11

Finding the Fourth Proportional to 153,581.92, 211,953.68 and 93,155.11

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Solution

The fourth proportional to 153,581.92, 211,953.68 and 93,155.11 is: 128,560.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,581.92 : 211,953.68 = 93,155.11 : x
  2. Step 2: Convert to fraction form
    153,581.92/211,953.68 = 93,155.11/x
  3. Step 3: Cross multiply
    153,581.92x = 211,953.68 × 93,155.11
  4. Step 4: Simplify right side
    153,581.92x = 19,744,568,078.31
  5. Step 5: Solve for x
    x = 19,744,568,078.31/153,581.92
  6. Step 6: Final answer
    x = 128,560.50

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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.