Home / 128,343.29-192,533.96-44,125.16

Finding the Fourth Proportional to 128,343.29, 192,533.96 and 44,125.16

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Solution

The fourth proportional to 128,343.29, 192,533.96 and 44,125.16 is: 66,194.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,343.29 : 192,533.96 = 44,125.16 : x
  2. Step 2: Convert to fraction form
    128,343.29/192,533.96 = 44,125.16/x
  3. Step 3: Cross multiply
    128,343.29x = 192,533.96 × 44,125.16
  4. Step 4: Simplify right side
    128,343.29x = 8,495,590,938.08
  5. Step 5: Solve for x
    x = 8,495,590,938.08/128,343.29
  6. Step 6: Final answer
    x = 66,194.28

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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.