Home / 209,919.17-289,688.52-119,275.25

Finding the Fourth Proportional to 209,919.17, 289,688.52 and 119,275.25

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Solution

The fourth proportional to 209,919.17, 289,688.52 and 119,275.25 is: 164,599.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,919.17 : 289,688.52 = 119,275.25 : x
  2. Step 2: Convert to fraction form
    209,919.17/289,688.52 = 119,275.25/x
  3. Step 3: Cross multiply
    209,919.17x = 289,688.52 × 119,275.25
  4. Step 4: Simplify right side
    209,919.17x = 34,552,670,645.13
  5. Step 5: Solve for x
    x = 34,552,670,645.13/209,919.17
  6. Step 6: Final answer
    x = 164,599.88

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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.