Home / 195,129.09-292,483.67-127,635.70

Finding the Fourth Proportional to 195,129.09, 292,483.67 and 127,635.70

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Solution

The fourth proportional to 195,129.09, 292,483.67 and 127,635.70 is: 191,316.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,129.09 : 292,483.67 = 127,635.70 : x
  2. Step 2: Convert to fraction form
    195,129.09/292,483.67 = 127,635.70/x
  3. Step 3: Cross multiply
    195,129.09x = 292,483.67 × 127,635.70
  4. Step 4: Simplify right side
    195,129.09x = 37,331,357,959.02
  5. Step 5: Solve for x
    x = 37,331,357,959.02/195,129.09
  6. Step 6: Final answer
    x = 191,316.21

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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.