Home / 211,282.16-316,924.80-53,511.12

Finding the Fourth Proportional to 211,282.16, 316,924.80 and 53,511.12

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Solution

The fourth proportional to 211,282.16, 316,924.80 and 53,511.12 is: 80,267.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,282.16 : 316,924.80 = 53,511.12 : x
  2. Step 2: Convert to fraction form
    211,282.16/316,924.80 = 53,511.12/x
  3. Step 3: Cross multiply
    211,282.16x = 316,924.80 × 53,511.12
  4. Step 4: Simplify right side
    211,282.16x = 16,959,001,003.78
  5. Step 5: Solve for x
    x = 16,959,001,003.78/211,282.16
  6. Step 6: Final answer
    x = 80,267.08

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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.