Home / 180,916.32-271,156.50-66,973.08

Finding the Fourth Proportional to 180,916.32, 271,156.50 and 66,973.08

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Solution

The fourth proportional to 180,916.32, 271,156.50 and 66,973.08 is: 100,378.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,916.32 : 271,156.50 = 66,973.08 : x
  2. Step 2: Convert to fraction form
    180,916.32/271,156.50 = 66,973.08/x
  3. Step 3: Cross multiply
    180,916.32x = 271,156.50 × 66,973.08
  4. Step 4: Simplify right side
    180,916.32x = 18,160,185,967.02
  5. Step 5: Solve for x
    x = 18,160,185,967.02/180,916.32
  6. Step 6: Final answer
    x = 100,378.93

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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.