Home / 152,741.76-210,702.28-89,056.32

Finding the Fourth Proportional to 152,741.76, 210,702.28 and 89,056.32

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Solution

The fourth proportional to 152,741.76, 210,702.28 and 89,056.32 is: 122,850.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,741.76 : 210,702.28 = 89,056.32 : x
  2. Step 2: Convert to fraction form
    152,741.76/210,702.28 = 89,056.32/x
  3. Step 3: Cross multiply
    152,741.76x = 210,702.28 × 89,056.32
  4. Step 4: Simplify right side
    152,741.76x = 18,764,369,672.41
  5. Step 5: Solve for x
    x = 18,764,369,672.41/152,741.76
  6. Step 6: Final answer
    x = 122,850.29

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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.