Home / 191,115.32-262,862.34-153,306.68

Finding the Fourth Proportional to 191,115.32, 262,862.34 and 153,306.68

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Solution

The fourth proportional to 191,115.32, 262,862.34 and 153,306.68 is: 210,859.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,115.32 : 262,862.34 = 153,306.68 : x
  2. Step 2: Convert to fraction form
    191,115.32/262,862.34 = 153,306.68/x
  3. Step 3: Cross multiply
    191,115.32x = 262,862.34 × 153,306.68
  4. Step 4: Simplify right side
    191,115.32x = 40,298,552,642.43
  5. Step 5: Solve for x
    x = 40,298,552,642.43/191,115.32
  6. Step 6: Final answer
    x = 210,859.88

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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.