Home / 344,281.23-516,420.81-91,561.50

Finding the Fourth Proportional to 344,281.23, 516,420.81 and 91,561.50

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Solution

The fourth proportional to 344,281.23, 516,420.81 and 91,561.50 is: 137,341.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,281.23 : 516,420.81 = 91,561.50 : x
  2. Step 2: Convert to fraction form
    344,281.23/516,420.81 = 91,561.50/x
  3. Step 3: Cross multiply
    344,281.23x = 516,420.81 × 91,561.50
  4. Step 4: Simplify right side
    344,281.23x = 47,284,263,537.01
  5. Step 5: Solve for x
    x = 47,284,263,537.01/344,281.23
  6. Step 6: Final answer
    x = 137,341.98

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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.