Home / 259,869.64-358,620.08-140,637.64

Finding the Fourth Proportional to 259,869.64, 358,620.08 and 140,637.64

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Solution

The fourth proportional to 259,869.64, 358,620.08 and 140,637.64 is: 194,079.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,869.64 : 358,620.08 = 140,637.64 : x
  2. Step 2: Convert to fraction form
    259,869.64/358,620.08 = 140,637.64/x
  3. Step 3: Cross multiply
    259,869.64x = 358,620.08 × 140,637.64
  4. Step 4: Simplify right side
    259,869.64x = 50,435,481,707.81
  5. Step 5: Solve for x
    x = 50,435,481,707.81/259,869.64
  6. Step 6: Final answer
    x = 194,079.93

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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.