Home / 188,592.09-260,264.03-103,717.05

Finding the Fourth Proportional to 188,592.09, 260,264.03 and 103,717.05

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Solution

The fourth proportional to 188,592.09, 260,264.03 and 103,717.05 is: 143,133.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,592.09 : 260,264.03 = 103,717.05 : x
  2. Step 2: Convert to fraction form
    188,592.09/260,264.03 = 103,717.05/x
  3. Step 3: Cross multiply
    188,592.09x = 260,264.03 × 103,717.05
  4. Step 4: Simplify right side
    188,592.09x = 26,993,816,894.13
  5. Step 5: Solve for x
    x = 26,993,816,894.13/188,592.09
  6. Step 6: Final answer
    x = 143,133.35

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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.