Home / 344,338.53-516,547.10-91,629.46

Finding the Fourth Proportional to 344,338.53, 516,547.10 and 91,629.46

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Solution

The fourth proportional to 344,338.53, 516,547.10 and 91,629.46 is: 137,454.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,338.53 : 516,547.10 = 91,629.46 : x
  2. Step 2: Convert to fraction form
    344,338.53/516,547.10 = 91,629.46/x
  3. Step 3: Cross multiply
    344,338.53x = 516,547.10 × 91,629.46
  4. Step 4: Simplify right side
    344,338.53x = 47,330,931,837.57
  5. Step 5: Solve for x
    x = 47,330,931,837.57/344,338.53
  6. Step 6: Final answer
    x = 137,454.65

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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.