Home / 259,986.47-358,783.70-152,558.30

Finding the Fourth Proportional to 259,986.47, 358,783.70 and 152,558.30

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Solution

The fourth proportional to 259,986.47, 358,783.70 and 152,558.30 is: 210,531.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,986.47 : 358,783.70 = 152,558.30 : x
  2. Step 2: Convert to fraction form
    259,986.47/358,783.70 = 152,558.30/x
  3. Step 3: Cross multiply
    259,986.47x = 358,783.70 × 152,558.30
  4. Step 4: Simplify right side
    259,986.47x = 54,735,431,339.71
  5. Step 5: Solve for x
    x = 54,735,431,339.71/259,986.47
  6. Step 6: Final answer
    x = 210,531.85

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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.