Home / 211,316.16-291,623.46-115,822.86

Finding the Fourth Proportional to 211,316.16, 291,623.46 and 115,822.86

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Solution

The fourth proportional to 211,316.16, 291,623.46 and 115,822.86 is: 159,839.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,316.16 : 291,623.46 = 115,822.86 : x
  2. Step 2: Convert to fraction form
    211,316.16/291,623.46 = 115,822.86/x
  3. Step 3: Cross multiply
    211,316.16x = 291,623.46 × 115,822.86
  4. Step 4: Simplify right side
    211,316.16x = 33,776,663,180.30
  5. Step 5: Solve for x
    x = 33,776,663,180.30/211,316.16
  6. Step 6: Final answer
    x = 159,839.47

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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.