Home / 132,875.90-199,429.01-69,740.62

Finding the Fourth Proportional to 132,875.90, 199,429.01 and 69,740.62

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Solution

The fourth proportional to 132,875.90, 199,429.01 and 69,740.62 is: 104,671.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,875.90 : 199,429.01 = 69,740.62 : x
  2. Step 2: Convert to fraction form
    132,875.90/199,429.01 = 69,740.62/x
  3. Step 3: Cross multiply
    132,875.90x = 199,429.01 × 69,740.62
  4. Step 4: Simplify right side
    132,875.90x = 13,908,302,629.03
  5. Step 5: Solve for x
    x = 13,908,302,629.03/132,875.90
  6. Step 6: Final answer
    x = 104,671.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.