Home / 127,077.76-190,644.36-48,192.76

Finding the Fourth Proportional to 127,077.76, 190,644.36 and 48,192.76

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Solution

The fourth proportional to 127,077.76, 190,644.36 and 48,192.76 is: 72,299.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,077.76 : 190,644.36 = 48,192.76 : x
  2. Step 2: Convert to fraction form
    127,077.76/190,644.36 = 48,192.76/x
  3. Step 3: Cross multiply
    127,077.76x = 190,644.36 × 48,192.76
  4. Step 4: Simplify right side
    127,077.76x = 9,187,677,886.83
  5. Step 5: Solve for x
    x = 9,187,677,886.83/127,077.76
  6. Step 6: Final answer
    x = 72,299.65

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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.