Home / 157,827.20-236,533.40-74,744.96

Finding the Fourth Proportional to 157,827.20, 236,533.40 and 74,744.96

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Solution

The fourth proportional to 157,827.20, 236,533.40 and 74,744.96 is: 112,019.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,827.20 : 236,533.40 = 74,744.96 : x
  2. Step 2: Convert to fraction form
    157,827.20/236,533.40 = 74,744.96/x
  3. Step 3: Cross multiply
    157,827.20x = 236,533.40 × 74,744.96
  4. Step 4: Simplify right side
    157,827.20x = 17,679,679,521.66
  5. Step 5: Solve for x
    x = 17,679,679,521.66/157,827.20
  6. Step 6: Final answer
    x = 112,019.22

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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.