Home / 127,457.60-191,237.76-57,369.92

Finding the Fourth Proportional to 127,457.60, 191,237.76 and 57,369.92

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Solution

The fourth proportional to 127,457.60, 191,237.76 and 57,369.92 is: 86,078.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,457.60 : 191,237.76 = 57,369.92 : x
  2. Step 2: Convert to fraction form
    127,457.60/191,237.76 = 57,369.92/x
  3. Step 3: Cross multiply
    127,457.60x = 191,237.76 × 57,369.92
  4. Step 4: Simplify right side
    127,457.60x = 10,971,294,992.18
  5. Step 5: Solve for x
    x = 10,971,294,992.18/127,457.60
  6. Step 6: Final answer
    x = 86,078.00

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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.