Home / 132,798.48-183,181.32-79,047.60

Finding the Fourth Proportional to 132,798.48, 183,181.32 and 79,047.60

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Solution

The fourth proportional to 132,798.48, 183,181.32 and 79,047.60 is: 109,037.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,798.48 : 183,181.32 = 79,047.60 : x
  2. Step 2: Convert to fraction form
    132,798.48/183,181.32 = 79,047.60/x
  3. Step 3: Cross multiply
    132,798.48x = 183,181.32 × 79,047.60
  4. Step 4: Simplify right side
    132,798.48x = 14,480,043,710.83
  5. Step 5: Solve for x
    x = 14,480,043,710.83/132,798.48
  6. Step 6: Final answer
    x = 109,037.72

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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.