Home / 211,678.14-292,119.28-116,193.72

Finding the Fourth Proportional to 211,678.14, 292,119.28 and 116,193.72

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Solution

The fourth proportional to 211,678.14, 292,119.28 and 116,193.72 is: 160,349.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,678.14 : 292,119.28 = 116,193.72 : x
  2. Step 2: Convert to fraction form
    211,678.14/292,119.28 = 116,193.72/x
  3. Step 3: Cross multiply
    211,678.14x = 292,119.28 × 116,193.72
  4. Step 4: Simplify right side
    211,678.14x = 33,942,425,826.92
  5. Step 5: Solve for x
    x = 33,942,425,826.92/211,678.14
  6. Step 6: Final answer
    x = 160,349.23

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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.