Home / 291,252.71-401,927.91-163,928.31

Finding the Fourth Proportional to 291,252.71, 401,927.91 and 163,928.31

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Solution

The fourth proportional to 291,252.71, 401,927.91 and 163,928.31 is: 226,220.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,252.71 : 401,927.91 = 163,928.31 : x
  2. Step 2: Convert to fraction form
    291,252.71/401,927.91 = 163,928.31/x
  3. Step 3: Cross multiply
    291,252.71x = 401,927.91 × 163,928.31
  4. Step 4: Simplify right side
    291,252.71x = 65,887,360,906.17
  5. Step 5: Solve for x
    x = 65,887,360,906.17/291,252.71
  6. Step 6: Final answer
    x = 226,220.59

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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.