Home / 259,785.90-358,586.19-152,399.34

Finding the Fourth Proportional to 259,785.90, 358,586.19 and 152,399.34

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Solution

The fourth proportional to 259,785.90, 358,586.19 and 152,399.34 is: 210,358.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,785.90 : 358,586.19 = 152,399.34 : x
  2. Step 2: Convert to fraction form
    259,785.90/358,586.19 = 152,399.34/x
  3. Step 3: Cross multiply
    259,785.90x = 358,586.19 × 152,399.34
  4. Step 4: Simplify right side
    259,785.90x = 54,648,298,689.11
  5. Step 5: Solve for x
    x = 54,648,298,689.11/259,785.90
  6. Step 6: Final answer
    x = 210,358.99

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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.