Home / 140,263.45-193,564.26-76,601.25

Finding the Fourth Proportional to 140,263.45, 193,564.26 and 76,601.25

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Solution

The fourth proportional to 140,263.45, 193,564.26 and 76,601.25 is: 105,710.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,263.45 : 193,564.26 = 76,601.25 : x
  2. Step 2: Convert to fraction form
    140,263.45/193,564.26 = 76,601.25/x
  3. Step 3: Cross multiply
    140,263.45x = 193,564.26 × 76,601.25
  4. Step 4: Simplify right side
    140,263.45x = 14,827,264,271.33
  5. Step 5: Solve for x
    x = 14,827,264,271.33/140,263.45
  6. Step 6: Final answer
    x = 105,710.11

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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.