Home / 211,923.68-292,460.09-116,432.78

Finding the Fourth Proportional to 211,923.68, 292,460.09 and 116,432.78

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Solution

The fourth proportional to 211,923.68, 292,460.09 and 116,432.78 is: 160,680.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,923.68 : 292,460.09 = 116,432.78 : x
  2. Step 2: Convert to fraction form
    211,923.68/292,460.09 = 116,432.78/x
  3. Step 3: Cross multiply
    211,923.68x = 292,460.09 × 116,432.78
  4. Step 4: Simplify right side
    211,923.68x = 34,051,939,273.29
  5. Step 5: Solve for x
    x = 34,051,939,273.29/211,923.68
  6. Step 6: Final answer
    x = 160,680.20

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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.