Home / 127,471.40-191,159.58-37,490.02

Finding the Fourth Proportional to 127,471.40, 191,159.58 and 37,490.02

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Solution

The fourth proportional to 127,471.40, 191,159.58 and 37,490.02 is: 56,221.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,471.40 : 191,159.58 = 37,490.02 : x
  2. Step 2: Convert to fraction form
    127,471.40/191,159.58 = 37,490.02/x
  3. Step 3: Cross multiply
    127,471.40x = 191,159.58 × 37,490.02
  4. Step 4: Simplify right side
    127,471.40x = 7,166,576,477.39
  5. Step 5: Solve for x
    x = 7,166,576,477.39/127,471.40
  6. Step 6: Final answer
    x = 56,221.05

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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.