Home / 235,019.32-352,178.94-129,868.36

Finding the Fourth Proportional to 235,019.32, 352,178.94 and 129,868.36

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Solution

The fourth proportional to 235,019.32, 352,178.94 and 129,868.36 is: 194,609.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,019.32 : 352,178.94 = 129,868.36 : x
  2. Step 2: Convert to fraction form
    235,019.32/352,178.94 = 129,868.36/x
  3. Step 3: Cross multiply
    235,019.32x = 352,178.94 × 129,868.36
  4. Step 4: Simplify right side
    235,019.32x = 45,736,901,364.34
  5. Step 5: Solve for x
    x = 45,736,901,364.34/235,019.32
  6. Step 6: Final answer
    x = 194,609.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.