Home / 211,131.64-316,714.02-61,374.16

Finding the Fourth Proportional to 211,131.64, 316,714.02 and 61,374.16

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Solution

The fourth proportional to 211,131.64, 316,714.02 and 61,374.16 is: 92,066.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,131.64 : 316,714.02 = 61,374.16 : x
  2. Step 2: Convert to fraction form
    211,131.64/316,714.02 = 61,374.16/x
  3. Step 3: Cross multiply
    211,131.64x = 316,714.02 × 61,374.16
  4. Step 4: Simplify right side
    211,131.64x = 19,438,056,937.72
  5. Step 5: Solve for x
    x = 19,438,056,937.72/211,131.64
  6. Step 6: Final answer
    x = 92,066.05

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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.