Home / 132,646.10-183,055.44-72,217.76

Finding the Fourth Proportional to 132,646.10, 183,055.44 and 72,217.76

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Solution

The fourth proportional to 132,646.10, 183,055.44 and 72,217.76 is: 99,662.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,646.10 : 183,055.44 = 72,217.76 : x
  2. Step 2: Convert to fraction form
    132,646.10/183,055.44 = 72,217.76/x
  3. Step 3: Cross multiply
    132,646.10x = 183,055.44 × 72,217.76
  4. Step 4: Simplify right side
    132,646.10x = 13,219,852,917.34
  5. Step 5: Solve for x
    x = 13,219,852,917.34/132,646.10
  6. Step 6: Final answer
    x = 99,662.59

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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.