Home / 357,078.33-535,615.07-90,836.46

Finding the Fourth Proportional to 357,078.33, 535,615.07 and 90,836.46

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Solution

The fourth proportional to 357,078.33, 535,615.07 and 90,836.46 is: 136,254.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,078.33 : 535,615.07 = 90,836.46 : x
  2. Step 2: Convert to fraction form
    357,078.33/535,615.07 = 90,836.46/x
  3. Step 3: Cross multiply
    357,078.33x = 535,615.07 × 90,836.46
  4. Step 4: Simplify right side
    357,078.33x = 48,653,376,427.27
  5. Step 5: Solve for x
    x = 48,653,376,427.27/357,078.33
  6. Step 6: Final answer
    x = 136,254.07

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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.