Home / 259,531.05-358,085.07-152,043.30

Finding the Fourth Proportional to 259,531.05, 358,085.07 and 152,043.30

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Solution

The fourth proportional to 259,531.05, 358,085.07 and 152,043.30 is: 209,780.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,531.05 : 358,085.07 = 152,043.30 : x
  2. Step 2: Convert to fraction form
    259,531.05/358,085.07 = 152,043.30/x
  3. Step 3: Cross multiply
    259,531.05x = 358,085.07 × 152,043.30
  4. Step 4: Simplify right side
    259,531.05x = 54,444,435,723.53
  5. Step 5: Solve for x
    x = 54,444,435,723.53/259,531.05
  6. Step 6: Final answer
    x = 209,780.05

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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.