Home / 163,112.24-225,150.90-102,784.52

Finding the Fourth Proportional to 163,112.24, 225,150.90 and 102,784.52

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Solution

The fourth proportional to 163,112.24, 225,150.90 and 102,784.52 is: 141,877.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,112.24 : 225,150.90 = 102,784.52 : x
  2. Step 2: Convert to fraction form
    163,112.24/225,150.90 = 102,784.52/x
  3. Step 3: Cross multiply
    163,112.24x = 225,150.90 × 102,784.52
  4. Step 4: Simplify right side
    163,112.24x = 23,142,027,184.07
  5. Step 5: Solve for x
    x = 23,142,027,184.07/163,112.24
  6. Step 6: Final answer
    x = 141,877.93

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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.