Home / 230,058.18-317,474.10-128,083.70

Finding the Fourth Proportional to 230,058.18, 317,474.10 and 128,083.70

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Solution

The fourth proportional to 230,058.18, 317,474.10 and 128,083.70 is: 176,752.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,058.18 : 317,474.10 = 128,083.70 : x
  2. Step 2: Convert to fraction form
    230,058.18/317,474.10 = 128,083.70/x
  3. Step 3: Cross multiply
    230,058.18x = 317,474.10 × 128,083.70
  4. Step 4: Simplify right side
    230,058.18x = 40,663,255,794.80
  5. Step 5: Solve for x
    x = 40,663,255,794.80/230,058.18
  6. Step 6: Final answer
    x = 176,752.05

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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.