Home / 141,285.20-211,927.80-36,112.40

Finding the Fourth Proportional to 141,285.20, 211,927.80 and 36,112.40

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Solution

The fourth proportional to 141,285.20, 211,927.80 and 36,112.40 is: 54,168.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,285.20 : 211,927.80 = 36,112.40 : x
  2. Step 2: Convert to fraction form
    141,285.20/211,927.80 = 36,112.40/x
  3. Step 3: Cross multiply
    141,285.20x = 211,927.80 × 36,112.40
  4. Step 4: Simplify right side
    141,285.20x = 7,653,221,484.72
  5. Step 5: Solve for x
    x = 7,653,221,484.72/141,285.20
  6. Step 6: Final answer
    x = 54,168.60

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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.