Home / 211,007.57-316,509.98-53,236.17

Finding the Fourth Proportional to 211,007.57, 316,509.98 and 53,236.17

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Solution

The fourth proportional to 211,007.57, 316,509.98 and 53,236.17 is: 79,853.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,007.57 : 316,509.98 = 53,236.17 : x
  2. Step 2: Convert to fraction form
    211,007.57/316,509.98 = 53,236.17/x
  3. Step 3: Cross multiply
    211,007.57x = 316,509.98 × 53,236.17
  4. Step 4: Simplify right side
    211,007.57x = 16,849,779,101.98
  5. Step 5: Solve for x
    x = 16,849,779,101.98/211,007.57
  6. Step 6: Final answer
    x = 79,853.91

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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.