Home / 230,116.13-317,288.52-157,554.20

Finding the Fourth Proportional to 230,116.13, 317,288.52 and 157,554.20

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Solution

The fourth proportional to 230,116.13, 317,288.52 and 157,554.20 is: 217,238.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,116.13 : 317,288.52 = 157,554.20 : x
  2. Step 2: Convert to fraction form
    230,116.13/317,288.52 = 157,554.20/x
  3. Step 3: Cross multiply
    230,116.13x = 317,288.52 × 157,554.20
  4. Step 4: Simplify right side
    230,116.13x = 49,990,137,351.34
  5. Step 5: Solve for x
    x = 49,990,137,351.34/230,116.13
  6. Step 6: Final answer
    x = 217,238.74

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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.