Home / 152,152.29-209,899.41-98,454.66

Finding the Fourth Proportional to 152,152.29, 209,899.41 and 98,454.66

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Solution

The fourth proportional to 152,152.29, 209,899.41 and 98,454.66 is: 135,821.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,152.29 : 209,899.41 = 98,454.66 : x
  2. Step 2: Convert to fraction form
    152,152.29/209,899.41 = 98,454.66/x
  3. Step 3: Cross multiply
    152,152.29x = 209,899.41 × 98,454.66
  4. Step 4: Simplify right side
    152,152.29x = 20,665,575,045.75
  5. Step 5: Solve for x
    x = 20,665,575,045.75/152,152.29
  6. Step 6: Final answer
    x = 135,821.65

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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.