Home / 211,302.36-316,953.54-53,543.16

Finding the Fourth Proportional to 211,302.36, 316,953.54 and 53,543.16

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Solution

The fourth proportional to 211,302.36, 316,953.54 and 53,543.16 is: 80,314.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,302.36 : 316,953.54 = 53,543.16 : x
  2. Step 2: Convert to fraction form
    211,302.36/316,953.54 = 53,543.16/x
  3. Step 3: Cross multiply
    211,302.36x = 316,953.54 × 53,543.16
  4. Step 4: Simplify right side
    211,302.36x = 16,970,694,104.79
  5. Step 5: Solve for x
    x = 16,970,694,104.79/211,302.36
  6. Step 6: Final answer
    x = 80,314.74

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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.