Home / 358,465.68-537,685.56-109,141.20

Finding the Fourth Proportional to 358,465.68, 537,685.56 and 109,141.20

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Solution

The fourth proportional to 358,465.68, 537,685.56 and 109,141.20 is: 163,707.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,465.68 : 537,685.56 = 109,141.20 : x
  2. Step 2: Convert to fraction form
    358,465.68/537,685.56 = 109,141.20/x
  3. Step 3: Cross multiply
    358,465.68x = 537,685.56 × 109,141.20
  4. Step 4: Simplify right side
    358,465.68x = 58,683,647,241.07
  5. Step 5: Solve for x
    x = 58,683,647,241.07/358,465.68
  6. Step 6: Final answer
    x = 163,707.85

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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.