Home / 127,037.28-190,548.24-56,897.76

Finding the Fourth Proportional to 127,037.28, 190,548.24 and 56,897.76

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Solution

The fourth proportional to 127,037.28, 190,548.24 and 56,897.76 is: 85,343.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,037.28 : 190,548.24 = 56,897.76 : x
  2. Step 2: Convert to fraction form
    127,037.28/190,548.24 = 56,897.76/x
  3. Step 3: Cross multiply
    127,037.28x = 190,548.24 × 56,897.76
  4. Step 4: Simplify right side
    127,037.28x = 10,841,768,027.94
  5. Step 5: Solve for x
    x = 10,841,768,027.94/127,037.28
  6. Step 6: Final answer
    x = 85,343.20

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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.