Home / 371,985.96-557,973.90-91,505.64

Finding the Fourth Proportional to 371,985.96, 557,973.90 and 91,505.64

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Solution

The fourth proportional to 371,985.96, 557,973.90 and 91,505.64 is: 137,257.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,985.96 : 557,973.90 = 91,505.64 : x
  2. Step 2: Convert to fraction form
    371,985.96/557,973.90 = 91,505.64/x
  3. Step 3: Cross multiply
    371,985.96x = 557,973.90 × 91,505.64
  4. Step 4: Simplify right side
    371,985.96x = 51,057,758,822.80
  5. Step 5: Solve for x
    x = 51,057,758,822.80/371,985.96
  6. Step 6: Final answer
    x = 137,257.22

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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.