Home / 209,876.40-289,620.98-114,381.04

Finding the Fourth Proportional to 209,876.40, 289,620.98 and 114,381.04

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Solution

The fourth proportional to 209,876.40, 289,620.98 and 114,381.04 is: 157,841.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,876.40 : 289,620.98 = 114,381.04 : x
  2. Step 2: Convert to fraction form
    209,876.40/289,620.98 = 114,381.04/x
  3. Step 3: Cross multiply
    209,876.40x = 289,620.98 × 114,381.04
  4. Step 4: Simplify right side
    209,876.40x = 33,127,148,898.22
  5. Step 5: Solve for x
    x = 33,127,148,898.22/209,876.40
  6. Step 6: Final answer
    x = 157,841.23

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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.