Home / 148,875.26-205,448.67-80,892.77

Finding the Fourth Proportional to 148,875.26, 205,448.67 and 80,892.77

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Solution

The fourth proportional to 148,875.26, 205,448.67 and 80,892.77 is: 111,632.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,875.26 : 205,448.67 = 80,892.77 : x
  2. Step 2: Convert to fraction form
    148,875.26/205,448.67 = 80,892.77/x
  3. Step 3: Cross multiply
    148,875.26x = 205,448.67 × 80,892.77
  4. Step 4: Simplify right side
    148,875.26x = 16,619,310,981.87
  5. Step 5: Solve for x
    x = 16,619,310,981.87/148,875.26
  6. Step 6: Final answer
    x = 111,632.46

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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.