Home / 186,334.16-257,227.80-109,829.12

Finding the Fourth Proportional to 186,334.16, 257,227.80 and 109,829.12

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Solution

The fourth proportional to 186,334.16, 257,227.80 and 109,829.12 is: 151,615.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,334.16 : 257,227.80 = 109,829.12 : x
  2. Step 2: Convert to fraction form
    186,334.16/257,227.80 = 109,829.12/x
  3. Step 3: Cross multiply
    186,334.16x = 257,227.80 × 109,829.12
  4. Step 4: Simplify right side
    186,334.16x = 28,251,102,913.54
  5. Step 5: Solve for x
    x = 28,251,102,913.54/186,334.16
  6. Step 6: Final answer
    x = 151,615.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.