Home / 215,476.08-297,365.76-119,976.72

Finding the Fourth Proportional to 215,476.08, 297,365.76 and 119,976.72

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Solution

The fourth proportional to 215,476.08, 297,365.76 and 119,976.72 is: 165,572.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,476.08 : 297,365.76 = 119,976.72 : x
  2. Step 2: Convert to fraction form
    215,476.08/297,365.76 = 119,976.72/x
  3. Step 3: Cross multiply
    215,476.08x = 297,365.76 × 119,976.72
  4. Step 4: Simplify right side
    215,476.08x = 35,676,968,525.11
  5. Step 5: Solve for x
    x = 35,676,968,525.11/215,476.08
  6. Step 6: Final answer
    x = 165,572.76

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1.5x scale

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.