Home / 156,181.53-215,423.73-98,893.74

Finding the Fourth Proportional to 156,181.53, 215,423.73 and 98,893.74

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Solution

The fourth proportional to 156,181.53, 215,423.73 and 98,893.74 is: 136,405.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,181.53 : 215,423.73 = 98,893.74 : x
  2. Step 2: Convert to fraction form
    156,181.53/215,423.73 = 98,893.74/x
  3. Step 3: Cross multiply
    156,181.53x = 215,423.73 × 98,893.74
  4. Step 4: Simplify right side
    156,181.53x = 21,304,058,344.45
  5. Step 5: Solve for x
    x = 21,304,058,344.45/156,181.53
  6. Step 6: Final answer
    x = 136,405.75

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1.5x scale

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.