Home / 156,539.53-215,862.18-133,953.28

Finding the Fourth Proportional to 156,539.53, 215,862.18 and 133,953.28

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Solution

The fourth proportional to 156,539.53, 215,862.18 and 133,953.28 is: 184,716.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,539.53 : 215,862.18 = 133,953.28 : x
  2. Step 2: Convert to fraction form
    156,539.53/215,862.18 = 133,953.28/x
  3. Step 3: Cross multiply
    156,539.53x = 215,862.18 × 133,953.28
  4. Step 4: Simplify right side
    156,539.53x = 28,915,447,038.95
  5. Step 5: Solve for x
    x = 28,915,447,038.95/156,539.53
  6. Step 6: Final answer
    x = 184,716.58

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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.