Home / 185,390.06-278,106.68-67,117.10

Finding the Fourth Proportional to 185,390.06, 278,106.68 and 67,117.10

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Solution

The fourth proportional to 185,390.06, 278,106.68 and 67,117.10 is: 100,683.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,390.06 : 278,106.68 = 67,117.10 : x
  2. Step 2: Convert to fraction form
    185,390.06/278,106.68 = 67,117.10/x
  3. Step 3: Cross multiply
    185,390.06x = 278,106.68 × 67,117.10
  4. Step 4: Simplify right side
    185,390.06x = 18,665,712,629.49
  5. Step 5: Solve for x
    x = 18,665,712,629.49/185,390.06
  6. Step 6: Final answer
    x = 100,683.46

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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.