Home / 132,911.14-183,416.83-72,481.63

Finding the Fourth Proportional to 132,911.14, 183,416.83 and 72,481.63

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Solution

The fourth proportional to 132,911.14, 183,416.83 and 72,481.63 is: 100,024.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,911.14 : 183,416.83 = 72,481.63 : x
  2. Step 2: Convert to fraction form
    132,911.14/183,416.83 = 72,481.63/x
  3. Step 3: Cross multiply
    132,911.14x = 183,416.83 × 72,481.63
  4. Step 4: Simplify right side
    132,911.14x = 13,294,350,807.83
  5. Step 5: Solve for x
    x = 13,294,350,807.83/132,911.14
  6. Step 6: Final answer
    x = 100,024.35

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1.5x scale

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.