Home / 211,231.17-291,497.10-114,432.80

Finding the Fourth Proportional to 211,231.17, 291,497.10 and 114,432.80

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Solution

The fourth proportional to 211,231.17, 291,497.10 and 114,432.80 is: 157,916.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,231.17 : 291,497.10 = 114,432.80 : x
  2. Step 2: Convert to fraction form
    211,231.17/291,497.10 = 114,432.80/x
  3. Step 3: Cross multiply
    211,231.17x = 291,497.10 × 114,432.80
  4. Step 4: Simplify right side
    211,231.17x = 33,356,830,063.47
  5. Step 5: Solve for x
    x = 33,356,830,063.47/211,231.17
  6. Step 6: Final answer
    x = 157,916.23

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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.