Home / 140,095.35-193,331.36-76,433.15

Finding the Fourth Proportional to 140,095.35, 193,331.36 and 76,433.15

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Solution

The fourth proportional to 140,095.35, 193,331.36 and 76,433.15 is: 105,477.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,095.35 : 193,331.36 = 76,433.15 : x
  2. Step 2: Convert to fraction form
    140,095.35/193,331.36 = 76,433.15/x
  3. Step 3: Cross multiply
    140,095.35x = 193,331.36 × 76,433.15
  4. Step 4: Simplify right side
    140,095.35x = 14,776,925,513.00
  5. Step 5: Solve for x
    x = 14,776,925,513.00/140,095.35
  6. Step 6: Final answer
    x = 105,477.63

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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.