Home / 132,150.64-182,368.02-71,721.32

Finding the Fourth Proportional to 132,150.64, 182,368.02 and 71,721.32

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Solution

The fourth proportional to 132,150.64, 182,368.02 and 71,721.32 is: 98,975.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,150.64 : 182,368.02 = 71,721.32 : x
  2. Step 2: Convert to fraction form
    132,150.64/182,368.02 = 71,721.32/x
  3. Step 3: Cross multiply
    132,150.64x = 182,368.02 × 71,721.32
  4. Step 4: Simplify right side
    132,150.64x = 13,079,675,120.19
  5. Step 5: Solve for x
    x = 13,079,675,120.19/132,150.64
  6. Step 6: Final answer
    x = 98,975.50

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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.