Home / 235,514.90-325,007.40-128,082.62

Finding the Fourth Proportional to 235,514.90, 325,007.40 and 128,082.62

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Solution

The fourth proportional to 235,514.90, 325,007.40 and 128,082.62 is: 176,752.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,514.90 : 325,007.40 = 128,082.62 : x
  2. Step 2: Convert to fraction form
    235,514.90/325,007.40 = 128,082.62/x
  3. Step 3: Cross multiply
    235,514.90x = 325,007.40 × 128,082.62
  4. Step 4: Simplify right side
    235,514.90x = 41,627,799,311.39
  5. Step 5: Solve for x
    x = 41,627,799,311.39/235,514.90
  6. Step 6: Final answer
    x = 176,752.30

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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.