Home / 132,751.91-183,196.68-72,322.54

Finding the Fourth Proportional to 132,751.91, 183,196.68 and 72,322.54

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Solution

The fourth proportional to 132,751.91, 183,196.68 and 72,322.54 is: 99,804.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,751.91 : 183,196.68 = 72,322.54 : x
  2. Step 2: Convert to fraction form
    132,751.91/183,196.68 = 72,322.54/x
  3. Step 3: Cross multiply
    132,751.91x = 183,196.68 × 72,322.54
  4. Step 4: Simplify right side
    132,751.91x = 13,249,248,301.18
  5. Step 5: Solve for x
    x = 13,249,248,301.18/132,751.91
  6. Step 6: Final answer
    x = 99,804.58

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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.