Home / 266,781.60-368,190.36-153,626.40

Finding the Fourth Proportional to 266,781.60, 368,190.36 and 153,626.40

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Solution

The fourth proportional to 266,781.60, 368,190.36 and 153,626.40 is: 212,022.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,781.60 : 368,190.36 = 153,626.40 : x
  2. Step 2: Convert to fraction form
    266,781.60/368,190.36 = 153,626.40/x
  3. Step 3: Cross multiply
    266,781.60x = 368,190.36 × 153,626.40
  4. Step 4: Simplify right side
    266,781.60x = 56,563,759,521.50
  5. Step 5: Solve for x
    x = 56,563,759,521.50/266,781.60
  6. Step 6: Final answer
    x = 212,022.72

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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.