Home / 127,676.34-191,047.95-75,110.58

Finding the Fourth Proportional to 127,676.34, 191,047.95 and 75,110.58

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Solution

The fourth proportional to 127,676.34, 191,047.95 and 75,110.58 is: 112,391.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,676.34 : 191,047.95 = 75,110.58 : x
  2. Step 2: Convert to fraction form
    127,676.34/191,047.95 = 75,110.58/x
  3. Step 3: Cross multiply
    127,676.34x = 191,047.95 × 75,110.58
  4. Step 4: Simplify right side
    127,676.34x = 14,349,722,332.31
  5. Step 5: Solve for x
    x = 14,349,722,332.31/127,676.34
  6. Step 6: Final answer
    x = 112,391.40

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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.