Home / 185,461.16-278,184.04-85,588.16

Finding the Fourth Proportional to 185,461.16, 278,184.04 and 85,588.16

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Solution

The fourth proportional to 185,461.16, 278,184.04 and 85,588.16 is: 128,378.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,461.16 : 278,184.04 = 85,588.16 : x
  2. Step 2: Convert to fraction form
    185,461.16/278,184.04 = 85,588.16/x
  3. Step 3: Cross multiply
    185,461.16x = 278,184.04 × 85,588.16
  4. Step 4: Simplify right side
    185,461.16x = 23,809,260,124.97
  5. Step 5: Solve for x
    x = 23,809,260,124.97/185,461.16
  6. Step 6: Final answer
    x = 128,378.69

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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.