Home / 152,149.29-209,895.27-98,451.65

Finding the Fourth Proportional to 152,149.29, 209,895.27 and 98,451.65

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Solution

The fourth proportional to 152,149.29, 209,895.27 and 98,451.65 is: 135,817.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,149.29 : 209,895.27 = 98,451.65 : x
  2. Step 2: Convert to fraction form
    152,149.29/209,895.27 = 98,451.65/x
  3. Step 3: Cross multiply
    152,149.29x = 209,895.27 × 98,451.65
  4. Step 4: Simplify right side
    152,149.29x = 20,664,534,609.22
  5. Step 5: Solve for x
    x = 20,664,534,609.22/152,149.29
  6. Step 6: Final answer
    x = 135,817.49

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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.