Home / 152,361.20-210,188.64-98,663.52

Finding the Fourth Proportional to 152,361.20, 210,188.64 and 98,663.52

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Solution

The fourth proportional to 152,361.20, 210,188.64 and 98,663.52 is: 136,110.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,361.20 : 210,188.64 = 98,663.52 : x
  2. Step 2: Convert to fraction form
    152,361.20/210,188.64 = 98,663.52/x
  3. Step 3: Cross multiply
    152,361.20x = 210,188.64 × 98,663.52
  4. Step 4: Simplify right side
    152,361.20x = 20,737,951,086.41
  5. Step 5: Solve for x
    x = 20,737,951,086.41/152,361.20
  6. Step 6: Final answer
    x = 136,110.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.