Home / 148,567.04-205,021.32-80,583.38

Finding the Fourth Proportional to 148,567.04, 205,021.32 and 80,583.38

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Solution

The fourth proportional to 148,567.04, 205,021.32 and 80,583.38 is: 111,204.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,567.04 : 205,021.32 = 80,583.38 : x
  2. Step 2: Convert to fraction form
    148,567.04/205,021.32 = 80,583.38/x
  3. Step 3: Cross multiply
    148,567.04x = 205,021.32 × 80,583.38
  4. Step 4: Simplify right side
    148,567.04x = 16,521,310,937.66
  5. Step 5: Solve for x
    x = 16,521,310,937.66/148,567.04
  6. Step 6: Final answer
    x = 111,204.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.