Home / 104,897.16-157,345.88-80,078.11

Finding the Fourth Proportional to 104,897.16, 157,345.88 and 80,078.11

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Solution

The fourth proportional to 104,897.16, 157,345.88 and 80,078.11 is: 120,117.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,897.16 : 157,345.88 = 80,078.11 : x
  2. Step 2: Convert to fraction form
    104,897.16/157,345.88 = 80,078.11/x
  3. Step 3: Cross multiply
    104,897.16x = 157,345.88 × 80,078.11
  4. Step 4: Simplify right side
    104,897.16x = 12,599,959,892.93
  5. Step 5: Solve for x
    x = 12,599,959,892.93/104,897.16
  6. Step 6: Final answer
    x = 120,117.26

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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.