Home / 152,171.35-209,958.70-98,391.65

Finding the Fourth Proportional to 152,171.35, 209,958.70 and 98,391.65

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Solution

The fourth proportional to 152,171.35, 209,958.70 and 98,391.65 is: 135,756.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,171.35 : 209,958.70 = 98,391.65 : x
  2. Step 2: Convert to fraction form
    152,171.35/209,958.70 = 98,391.65/x
  3. Step 3: Cross multiply
    152,171.35x = 209,958.70 × 98,391.65
  4. Step 4: Simplify right side
    152,171.35x = 20,658,182,924.86
  5. Step 5: Solve for x
    x = 20,658,182,924.86/152,171.35
  6. Step 6: Final answer
    x = 135,756.06

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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.