Home / 211,117.36-316,685.76-117,552.64

Finding the Fourth Proportional to 211,117.36, 316,685.76 and 117,552.64

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Solution

The fourth proportional to 211,117.36, 316,685.76 and 117,552.64 is: 176,334.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,117.36 : 316,685.76 = 117,552.64 : x
  2. Step 2: Convert to fraction form
    211,117.36/316,685.76 = 117,552.64/x
  3. Step 3: Cross multiply
    211,117.36x = 316,685.76 × 117,552.64
  4. Step 4: Simplify right side
    211,117.36x = 37,227,247,138.41
  5. Step 5: Solve for x
    x = 37,227,247,138.41/211,117.36
  6. Step 6: Final answer
    x = 176,334.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.