Home / 132,929.74-183,339.32-85,187.52

Finding the Fourth Proportional to 132,929.74, 183,339.32 and 85,187.52

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Solution

The fourth proportional to 132,929.74, 183,339.32 and 85,187.52 is: 117,492.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,929.74 : 183,339.32 = 85,187.52 : x
  2. Step 2: Convert to fraction form
    132,929.74/183,339.32 = 85,187.52/x
  3. Step 3: Cross multiply
    132,929.74x = 183,339.32 × 85,187.52
  4. Step 4: Simplify right side
    132,929.74x = 15,618,221,989.29
  5. Step 5: Solve for x
    x = 15,618,221,989.29/132,929.74
  6. Step 6: Final answer
    x = 117,492.31

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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.