Home / 127,636.29-191,509.11-52,810.83

Finding the Fourth Proportional to 127,636.29, 191,509.11 and 52,810.83

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Solution

The fourth proportional to 127,636.29, 191,509.11 and 52,810.83 is: 79,238.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,636.29 : 191,509.11 = 52,810.83 : x
  2. Step 2: Convert to fraction form
    127,636.29/191,509.11 = 52,810.83/x
  3. Step 3: Cross multiply
    127,636.29x = 191,509.11 × 52,810.83
  4. Step 4: Simplify right side
    127,636.29x = 10,113,755,051.66
  5. Step 5: Solve for x
    x = 10,113,755,051.66/127,636.29
  6. Step 6: Final answer
    x = 79,238.87

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1.5x scale

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.