Home / 140,063.19-193,284.06-76,403.27

Finding the Fourth Proportional to 140,063.19, 193,284.06 and 76,403.27

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Solution

The fourth proportional to 140,063.19, 193,284.06 and 76,403.27 is: 105,434.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,063.19 : 193,284.06 = 76,403.27 : x
  2. Step 2: Convert to fraction form
    140,063.19/193,284.06 = 76,403.27/x
  3. Step 3: Cross multiply
    140,063.19x = 193,284.06 × 76,403.27
  4. Step 4: Simplify right side
    140,063.19x = 14,767,533,256.46
  5. Step 5: Solve for x
    x = 14,767,533,256.46/140,063.19
  6. Step 6: Final answer
    x = 105,434.79

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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.