Home / 553,130.18-829,867.49-198,147.27

Finding the Fourth Proportional to 553,130.18, 829,867.49 and 198,147.27

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Solution

The fourth proportional to 553,130.18, 829,867.49 and 198,147.27 is: 297,282.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,130.18 : 829,867.49 = 198,147.27 : x
  2. Step 2: Convert to fraction form
    553,130.18/829,867.49 = 198,147.27/x
  3. Step 3: Cross multiply
    553,130.18x = 829,867.49 × 198,147.27
  4. Step 4: Simplify right side
    553,130.18x = 164,435,976,614.52
  5. Step 5: Solve for x
    x = 164,435,976,614.52/553,130.18
  6. Step 6: Final answer
    x = 297,282.60

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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.