Home / 152,153.29-209,900.79-98,455.66

Finding the Fourth Proportional to 152,153.29, 209,900.79 and 98,455.66

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Solution

The fourth proportional to 152,153.29, 209,900.79 and 98,455.66 is: 135,823.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,153.29 : 209,900.79 = 98,455.66 : x
  2. Step 2: Convert to fraction form
    152,153.29/209,900.79 = 98,455.66/x
  3. Step 3: Cross multiply
    152,153.29x = 209,900.79 × 98,455.66
  4. Step 4: Simplify right side
    152,153.29x = 20,665,920,813.97
  5. Step 5: Solve for x
    x = 20,665,920,813.97/152,153.29
  6. Step 6: Final answer
    x = 135,823.03

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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.