Home / 193,053.28-289,547.52-52,787.20

Finding the Fourth Proportional to 193,053.28, 289,547.52 and 52,787.20

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Solution

The fourth proportional to 193,053.28, 289,547.52 and 52,787.20 is: 79,171.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,053.28 : 289,547.52 = 52,787.20 : x
  2. Step 2: Convert to fraction form
    193,053.28/289,547.52 = 52,787.20/x
  3. Step 3: Cross multiply
    193,053.28x = 289,547.52 × 52,787.20
  4. Step 4: Simplify right side
    193,053.28x = 15,284,402,847.74
  5. Step 5: Solve for x
    x = 15,284,402,847.74/193,053.28
  6. Step 6: Final answer
    x = 79,171.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.