Home / 185,715.06-278,707.86-67,395.93

Finding the Fourth Proportional to 185,715.06, 278,707.86 and 67,395.93

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Solution

The fourth proportional to 185,715.06, 278,707.86 and 67,395.93 is: 101,142.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,715.06 : 278,707.86 = 67,395.93 : x
  2. Step 2: Convert to fraction form
    185,715.06/278,707.86 = 67,395.93/x
  3. Step 3: Cross multiply
    185,715.06x = 278,707.86 × 67,395.93
  4. Step 4: Simplify right side
    185,715.06x = 18,783,775,423.01
  5. Step 5: Solve for x
    x = 18,783,775,423.01/185,715.06
  6. Step 6: Final answer
    x = 101,142.98

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1.5x scale

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.