Home / 358,468.96-537,785.04-109,170.40

Finding the Fourth Proportional to 358,468.96, 537,785.04 and 109,170.40

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Solution

The fourth proportional to 358,468.96, 537,785.04 and 109,170.40 is: 163,780.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,468.96 : 537,785.04 = 109,170.40 : x
  2. Step 2: Convert to fraction form
    358,468.96/537,785.04 = 109,170.40/x
  3. Step 3: Cross multiply
    358,468.96x = 537,785.04 × 109,170.40
  4. Step 4: Simplify right side
    358,468.96x = 58,710,207,930.82
  5. Step 5: Solve for x
    x = 58,710,207,930.82/358,468.96
  6. Step 6: Final answer
    x = 163,780.45

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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.