Home / 242,864.92-364,421.31-163,813.38

Finding the Fourth Proportional to 242,864.92, 364,421.31 and 163,813.38

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Solution

The fourth proportional to 242,864.92, 364,421.31 and 163,813.38 is: 245,803.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,864.92 : 364,421.31 = 163,813.38 : x
  2. Step 2: Convert to fraction form
    242,864.92/364,421.31 = 163,813.38/x
  3. Step 3: Cross multiply
    242,864.92x = 364,421.31 × 163,813.38
  4. Step 4: Simplify right side
    242,864.92x = 59,697,086,535.13
  5. Step 5: Solve for x
    x = 59,697,086,535.13/242,864.92
  6. Step 6: Final answer
    x = 245,803.66

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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.