Home / 209,660.98-289,260.20-119,010.10

Finding the Fourth Proportional to 209,660.98, 289,260.20 and 119,010.10

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Solution

The fourth proportional to 209,660.98, 289,260.20 and 119,010.10 is: 164,193.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,660.98 : 289,260.20 = 119,010.10 : x
  2. Step 2: Convert to fraction form
    209,660.98/289,260.20 = 119,010.10/x
  3. Step 3: Cross multiply
    209,660.98x = 289,260.20 × 119,010.10
  4. Step 4: Simplify right side
    209,660.98x = 34,424,885,328.02
  5. Step 5: Solve for x
    x = 34,424,885,328.02/209,660.98
  6. Step 6: Final answer
    x = 164,193.10

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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.