Home / 132,784.17-199,175.54-76,587.86

Finding the Fourth Proportional to 132,784.17, 199,175.54 and 76,587.86

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Solution

The fourth proportional to 132,784.17, 199,175.54 and 76,587.86 is: 114,881.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,784.17 : 199,175.54 = 76,587.86 : x
  2. Step 2: Convert to fraction form
    132,784.17/199,175.54 = 76,587.86/x
  3. Step 3: Cross multiply
    132,784.17x = 199,175.54 × 76,587.86
  4. Step 4: Simplify right side
    132,784.17x = 15,254,426,994.13
  5. Step 5: Solve for x
    x = 15,254,426,994.13/132,784.17
  6. Step 6: Final answer
    x = 114,881.37

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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.