Home / 124,421.80-186,632.70-122,348.20

Finding the Fourth Proportional to 124,421.80, 186,632.70 and 122,348.20

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Solution

The fourth proportional to 124,421.80, 186,632.70 and 122,348.20 is: 183,522.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,421.80 : 186,632.70 = 122,348.20 : x
  2. Step 2: Convert to fraction form
    124,421.80/186,632.70 = 122,348.20/x
  3. Step 3: Cross multiply
    124,421.80x = 186,632.70 × 122,348.20
  4. Step 4: Simplify right side
    124,421.80x = 22,834,174,906.14
  5. Step 5: Solve for x
    x = 22,834,174,906.14/124,421.80
  6. Step 6: Final answer
    x = 183,522.30

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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.