Home / 185,310.90-277,966.35-66,986.10

Finding the Fourth Proportional to 185,310.90, 277,966.35 and 66,986.10

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Solution

The fourth proportional to 185,310.90, 277,966.35 and 66,986.10 is: 100,479.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,310.90 : 277,966.35 = 66,986.10 : x
  2. Step 2: Convert to fraction form
    185,310.90/277,966.35 = 66,986.10/x
  3. Step 3: Cross multiply
    185,310.90x = 277,966.35 × 66,986.10
  4. Step 4: Simplify right side
    185,310.90x = 18,619,881,717.74
  5. Step 5: Solve for x
    x = 18,619,881,717.74/185,310.90
  6. Step 6: Final answer
    x = 100,479.15

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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.