Home / 191,964.08-288,029.28-103,113.92

Finding the Fourth Proportional to 191,964.08, 288,029.28 and 103,113.92

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Solution

The fourth proportional to 191,964.08, 288,029.28 and 103,113.92 is: 154,715.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,964.08 : 288,029.28 = 103,113.92 : x
  2. Step 2: Convert to fraction form
    191,964.08/288,029.28 = 103,113.92/x
  3. Step 3: Cross multiply
    191,964.08x = 288,029.28 × 103,113.92
  4. Step 4: Simplify right side
    191,964.08x = 29,699,828,135.58
  5. Step 5: Solve for x
    x = 29,699,828,135.58/191,964.08
  6. Step 6: Final answer
    x = 154,715.55

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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.