Home / 136,056.96-204,090-51,804.48

Finding the Fourth Proportional to 136,056.96, 204,090 and 51,804.48

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Solution

The fourth proportional to 136,056.96, 204,090 and 51,804.48 is: 77,708.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,056.96 : 204,090 = 51,804.48 : x
  2. Step 2: Convert to fraction form
    136,056.96/204,090 = 51,804.48/x
  3. Step 3: Cross multiply
    136,056.96x = 204,090 × 51,804.48
  4. Step 4: Simplify right side
    136,056.96x = 10,572,776,323.20
  5. Step 5: Solve for x
    x = 10,572,776,323.20/136,056.96
  6. Step 6: Final answer
    x = 77,708.46

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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.