Home / 195,915.55-293,643.69-90,513.10

Finding the Fourth Proportional to 195,915.55, 293,643.69 and 90,513.10

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Solution

The fourth proportional to 195,915.55, 293,643.69 and 90,513.10 is: 135,663.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,915.55 : 293,643.69 = 90,513.10 : x
  2. Step 2: Convert to fraction form
    195,915.55/293,643.69 = 90,513.10/x
  3. Step 3: Cross multiply
    195,915.55x = 293,643.69 × 90,513.10
  4. Step 4: Simplify right side
    195,915.55x = 26,578,600,677.34
  5. Step 5: Solve for x
    x = 26,578,600,677.34/195,915.55
  6. Step 6: Final answer
    x = 135,663.56

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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.