Home / 230,335.14-317,858.18-128,358.35

Finding the Fourth Proportional to 230,335.14, 317,858.18 and 128,358.35

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Solution

The fourth proportional to 230,335.14, 317,858.18 and 128,358.35 is: 177,132.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,335.14 : 317,858.18 = 128,358.35 : x
  2. Step 2: Convert to fraction form
    230,335.14/317,858.18 = 128,358.35/x
  3. Step 3: Cross multiply
    230,335.14x = 317,858.18 × 128,358.35
  4. Step 4: Simplify right side
    230,335.14x = 40,799,752,267.64
  5. Step 5: Solve for x
    x = 40,799,752,267.64/230,335.14
  6. Step 6: Final answer
    x = 177,132.12

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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.