Home / 211,239.90-316,792.89-69,052.98

Finding the Fourth Proportional to 211,239.90, 316,792.89 and 69,052.98

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Solution

The fourth proportional to 211,239.90, 316,792.89 and 69,052.98 is: 103,557.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,239.90 : 316,792.89 = 69,052.98 : x
  2. Step 2: Convert to fraction form
    211,239.90/316,792.89 = 69,052.98/x
  3. Step 3: Cross multiply
    211,239.90x = 316,792.89 × 69,052.98
  4. Step 4: Simplify right side
    211,239.90x = 21,875,493,097.31
  5. Step 5: Solve for x
    x = 21,875,493,097.31/211,239.90
  6. Step 6: Final answer
    x = 103,557.58

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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.