Home / 352,098.10-528,014.51-127,402.95

Finding the Fourth Proportional to 352,098.10, 528,014.51 and 127,402.95

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Solution

The fourth proportional to 352,098.10, 528,014.51 and 127,402.95 is: 191,056.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,098.10 : 528,014.51 = 127,402.95 : x
  2. Step 2: Convert to fraction form
    352,098.10/528,014.51 = 127,402.95/x
  3. Step 3: Cross multiply
    352,098.10x = 528,014.51 × 127,402.95
  4. Step 4: Simplify right side
    352,098.10x = 67,270,606,216.80
  5. Step 5: Solve for x
    x = 67,270,606,216.80/352,098.10
  6. Step 6: Final answer
    x = 191,056.43

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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.