Home / 211,715.71-292,166.43-114,921.49

Finding the Fourth Proportional to 211,715.71, 292,166.43 and 114,921.49

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Solution

The fourth proportional to 211,715.71, 292,166.43 and 114,921.49 is: 158,590.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,715.71 : 292,166.43 = 114,921.49 : x
  2. Step 2: Convert to fraction form
    211,715.71/292,166.43 = 114,921.49/x
  3. Step 3: Cross multiply
    211,715.71x = 292,166.43 × 114,921.49
  4. Step 4: Simplify right side
    211,715.71x = 33,576,201,463.58
  5. Step 5: Solve for x
    x = 33,576,201,463.58/211,715.71
  6. Step 6: Final answer
    x = 158,590.98

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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.