Home / 376,421.20-564,631.80-165,835.60

Finding the Fourth Proportional to 376,421.20, 564,631.80 and 165,835.60

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Solution

The fourth proportional to 376,421.20, 564,631.80 and 165,835.60 is: 248,753.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,421.20 : 564,631.80 = 165,835.60 : x
  2. Step 2: Convert to fraction form
    376,421.20/564,631.80 = 165,835.60/x
  3. Step 3: Cross multiply
    376,421.20x = 564,631.80 × 165,835.60
  4. Step 4: Simplify right side
    376,421.20x = 93,636,053,332.08
  5. Step 5: Solve for x
    x = 93,636,053,332.08/376,421.20
  6. Step 6: Final answer
    x = 248,753.40

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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.