Home / 108,141.58-148,151.48-104,098.47

Finding the Fourth Proportional to 108,141.58, 148,151.48 and 104,098.47

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Solution

The fourth proportional to 108,141.58, 148,151.48 and 104,098.47 is: 142,612.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,141.58 : 148,151.48 = 104,098.47 : x
  2. Step 2: Convert to fraction form
    108,141.58/148,151.48 = 104,098.47/x
  3. Step 3: Cross multiply
    108,141.58x = 148,151.48 × 104,098.47
  4. Step 4: Simplify right side
    108,141.58x = 15,422,342,656.48
  5. Step 5: Solve for x
    x = 15,422,342,656.48/108,141.58
  6. Step 6: Final answer
    x = 142,612.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.