Home / 147,268.53-220,905-56,088.97

Finding the Fourth Proportional to 147,268.53, 220,905 and 56,088.97

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Solution

The fourth proportional to 147,268.53, 220,905 and 56,088.97 is: 84,134.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,268.53 : 220,905 = 56,088.97 : x
  2. Step 2: Convert to fraction form
    147,268.53/220,905 = 56,088.97/x
  3. Step 3: Cross multiply
    147,268.53x = 220,905 × 56,088.97
  4. Step 4: Simplify right side
    147,268.53x = 12,390,333,365.59
  5. Step 5: Solve for x
    x = 12,390,333,365.59/147,268.53
  6. Step 6: Final answer
    x = 84,134.29

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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.