Home / 211,319.71-291,621.18-115,824.35

Finding the Fourth Proportional to 211,319.71, 291,621.18 and 115,824.35

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Solution

The fourth proportional to 211,319.71, 291,621.18 and 115,824.35 is: 159,837.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,319.71 : 291,621.18 = 115,824.35 : x
  2. Step 2: Convert to fraction form
    211,319.71/291,621.18 = 115,824.35/x
  3. Step 3: Cross multiply
    211,319.71x = 291,621.18 × 115,824.35
  4. Step 4: Simplify right side
    211,319.71x = 33,776,833,619.73
  5. Step 5: Solve for x
    x = 33,776,833,619.73/211,319.71
  6. Step 6: Final answer
    x = 159,837.59

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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.