Home / 151,130.40-226,688.40-51,280.80

Finding the Fourth Proportional to 151,130.40, 226,688.40 and 51,280.80

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Solution

The fourth proportional to 151,130.40, 226,688.40 and 51,280.80 is: 76,918.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,130.40 : 226,688.40 = 51,280.80 : x
  2. Step 2: Convert to fraction form
    151,130.40/226,688.40 = 51,280.80/x
  3. Step 3: Cross multiply
    151,130.40x = 226,688.40 × 51,280.80
  4. Step 4: Simplify right side
    151,130.40x = 11,624,762,502.72
  5. Step 5: Solve for x
    x = 11,624,762,502.72/151,130.40
  6. Step 6: Final answer
    x = 76,918.76

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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.