Home / 156,141.96-215,475.93-84,522.57

Finding the Fourth Proportional to 156,141.96, 215,475.93 and 84,522.57

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Solution

The fourth proportional to 156,141.96, 215,475.93 and 84,522.57 is: 116,641.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,141.96 : 215,475.93 = 84,522.57 : x
  2. Step 2: Convert to fraction form
    156,141.96/215,475.93 = 84,522.57/x
  3. Step 3: Cross multiply
    156,141.96x = 215,475.93 × 84,522.57
  4. Step 4: Simplify right side
    156,141.96x = 18,212,579,376.74
  5. Step 5: Solve for x
    x = 18,212,579,376.74/156,141.96
  6. Step 6: Final answer
    x = 116,641.16

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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.