Home / 209,366.14-288,802.26-131,718.34

Finding the Fourth Proportional to 209,366.14, 288,802.26 and 131,718.34

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Solution

The fourth proportional to 209,366.14, 288,802.26 and 131,718.34 is: 181,693.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,366.14 : 288,802.26 = 131,718.34 : x
  2. Step 2: Convert to fraction form
    209,366.14/288,802.26 = 131,718.34/x
  3. Step 3: Cross multiply
    209,366.14x = 288,802.26 × 131,718.34
  4. Step 4: Simplify right side
    209,366.14x = 38,040,554,275.45
  5. Step 5: Solve for x
    x = 38,040,554,275.45/209,366.14
  6. Step 6: Final answer
    x = 181,693.92

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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.