Home / 211,425.08-316,515.47-141,130.04

Finding the Fourth Proportional to 211,425.08, 316,515.47 and 141,130.04

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Solution

The fourth proportional to 211,425.08, 316,515.47 and 141,130.04 is: 211,279.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,425.08 : 316,515.47 = 141,130.04 : x
  2. Step 2: Convert to fraction form
    211,425.08/316,515.47 = 141,130.04/x
  3. Step 3: Cross multiply
    211,425.08x = 316,515.47 × 141,130.04
  4. Step 4: Simplify right side
    211,425.08x = 44,669,838,653.49
  5. Step 5: Solve for x
    x = 44,669,838,653.49/211,425.08
  6. Step 6: Final answer
    x = 211,279.76

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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.