Home / 152,871.20-228,853.20-113,602.40

Finding the Fourth Proportional to 152,871.20, 228,853.20 and 113,602.40

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Solution

The fourth proportional to 152,871.20, 228,853.20 and 113,602.40 is: 170,066.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,871.20 : 228,853.20 = 113,602.40 : x
  2. Step 2: Convert to fraction form
    152,871.20/228,853.20 = 113,602.40/x
  3. Step 3: Cross multiply
    152,871.20x = 228,853.20 × 113,602.40
  4. Step 4: Simplify right side
    152,871.20x = 25,998,272,767.68
  5. Step 5: Solve for x
    x = 25,998,272,767.68/152,871.20
  6. Step 6: Final answer
    x = 170,066.52

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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.