Home / 156,177.80-215,522.74-84,557.24

Finding the Fourth Proportional to 156,177.80, 215,522.74 and 84,557.24

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Solution

The fourth proportional to 156,177.80, 215,522.74 and 84,557.24 is: 116,687.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,177.80 : 215,522.74 = 84,557.24 : x
  2. Step 2: Convert to fraction form
    156,177.80/215,522.74 = 84,557.24/x
  3. Step 3: Cross multiply
    156,177.80x = 215,522.74 × 84,557.24
  4. Step 4: Simplify right side
    156,177.80x = 18,224,008,051.64
  5. Step 5: Solve for x
    x = 18,224,008,051.64/156,177.80
  6. Step 6: Final answer
    x = 116,687.57

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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.