Home / 128,832.48-193,070.52-93,008.16

Finding the Fourth Proportional to 128,832.48, 193,070.52 and 93,008.16

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Solution

The fourth proportional to 128,832.48, 193,070.52 and 93,008.16 is: 139,383.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,832.48 : 193,070.52 = 93,008.16 : x
  2. Step 2: Convert to fraction form
    128,832.48/193,070.52 = 93,008.16/x
  3. Step 3: Cross multiply
    128,832.48x = 193,070.52 × 93,008.16
  4. Step 4: Simplify right side
    128,832.48x = 17,957,133,815.44
  5. Step 5: Solve for x
    x = 17,957,133,815.44/128,832.48
  6. Step 6: Final answer
    x = 139,383.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.