Home / 209,367.84-288,832.32-124,436.64

Finding the Fourth Proportional to 209,367.84, 288,832.32 and 124,436.64

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Solution

The fourth proportional to 209,367.84, 288,832.32 and 124,436.64 is: 171,665.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,367.84 : 288,832.32 = 124,436.64 : x
  2. Step 2: Convert to fraction form
    209,367.84/288,832.32 = 124,436.64/x
  3. Step 3: Cross multiply
    209,367.84x = 288,832.32 × 124,436.64
  4. Step 4: Simplify right side
    209,367.84x = 35,941,323,424.20
  5. Step 5: Solve for x
    x = 35,941,323,424.20/209,367.84
  6. Step 6: Final answer
    x = 171,665.92

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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.