Home / 368,926.08-553,421.45-112,816.45

Finding the Fourth Proportional to 368,926.08, 553,421.45 and 112,816.45

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Solution

The fourth proportional to 368,926.08, 553,421.45 and 112,816.45 is: 169,234.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,926.08 : 553,421.45 = 112,816.45 : x
  2. Step 2: Convert to fraction form
    368,926.08/553,421.45 = 112,816.45/x
  3. Step 3: Cross multiply
    368,926.08x = 553,421.45 × 112,816.45
  4. Step 4: Simplify right side
    368,926.08x = 62,435,043,342.85
  5. Step 5: Solve for x
    x = 62,435,043,342.85/368,926.08
  6. Step 6: Final answer
    x = 169,234.56

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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.