Home / 152,664.72-228,970.80-40,346.16

Finding the Fourth Proportional to 152,664.72, 228,970.80 and 40,346.16

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Solution

The fourth proportional to 152,664.72, 228,970.80 and 40,346.16 is: 60,512.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,664.72 : 228,970.80 = 40,346.16 : x
  2. Step 2: Convert to fraction form
    152,664.72/228,970.80 = 40,346.16/x
  3. Step 3: Cross multiply
    152,664.72x = 228,970.80 × 40,346.16
  4. Step 4: Simplify right side
    152,664.72x = 9,238,092,532.13
  5. Step 5: Solve for x
    x = 9,238,092,532.13/152,664.72
  6. Step 6: Final answer
    x = 60,512.29

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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.