Home / 235,349.02-352,825.16-102,128.95

Finding the Fourth Proportional to 235,349.02, 352,825.16 and 102,128.95

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Solution

The fourth proportional to 235,349.02, 352,825.16 and 102,128.95 is: 153,107.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,349.02 : 352,825.16 = 102,128.95 : x
  2. Step 2: Convert to fraction form
    235,349.02/352,825.16 = 102,128.95/x
  3. Step 3: Cross multiply
    235,349.02x = 352,825.16 × 102,128.95
  4. Step 4: Simplify right side
    235,349.02x = 36,033,660,849.61
  5. Step 5: Solve for x
    x = 36,033,660,849.61/235,349.02
  6. Step 6: Final answer
    x = 153,107.33

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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.