Home / 132,064.02-182,319.03-103,322.61

Finding the Fourth Proportional to 132,064.02, 182,319.03 and 103,322.61

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Solution

The fourth proportional to 132,064.02, 182,319.03 and 103,322.61 is: 142,640.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,064.02 : 182,319.03 = 103,322.61 : x
  2. Step 2: Convert to fraction form
    132,064.02/182,319.03 = 103,322.61/x
  3. Step 3: Cross multiply
    132,064.02x = 182,319.03 × 103,322.61
  4. Step 4: Simplify right side
    132,064.02x = 18,837,678,032.27
  5. Step 5: Solve for x
    x = 18,837,678,032.27/132,064.02
  6. Step 6: Final answer
    x = 142,640.50

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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.