Home / 127,434.34-191,110.65-42,026.02

Finding the Fourth Proportional to 127,434.34, 191,110.65 and 42,026.02

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Solution

The fourth proportional to 127,434.34, 191,110.65 and 42,026.02 is: 63,025.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,434.34 : 191,110.65 = 42,026.02 : x
  2. Step 2: Convert to fraction form
    127,434.34/191,110.65 = 42,026.02/x
  3. Step 3: Cross multiply
    127,434.34x = 191,110.65 × 42,026.02
  4. Step 4: Simplify right side
    127,434.34x = 8,031,619,999.11
  5. Step 5: Solve for x
    x = 8,031,619,999.11/127,434.34
  6. Step 6: Final answer
    x = 63,025.55

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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.