Home / 132,574.59-182,954.43-72,145.62

Finding the Fourth Proportional to 132,574.59, 182,954.43 and 72,145.62

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Solution

The fourth proportional to 132,574.59, 182,954.43 and 72,145.62 is: 99,561.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,574.59 : 182,954.43 = 72,145.62 : x
  2. Step 2: Convert to fraction form
    132,574.59/182,954.43 = 72,145.62/x
  3. Step 3: Cross multiply
    132,574.59x = 182,954.43 × 72,145.62
  4. Step 4: Simplify right side
    132,574.59x = 13,199,360,784.10
  5. Step 5: Solve for x
    x = 13,199,360,784.10/132,574.59
  6. Step 6: Final answer
    x = 99,561.77

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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.