Home / 156,223.06-215,588.01-84,603.19

Finding the Fourth Proportional to 156,223.06, 215,588.01 and 84,603.19

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Solution

The fourth proportional to 156,223.06, 215,588.01 and 84,603.19 is: 116,752.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,223.06 : 215,588.01 = 84,603.19 : x
  2. Step 2: Convert to fraction form
    156,223.06/215,588.01 = 84,603.19/x
  3. Step 3: Cross multiply
    156,223.06x = 215,588.01 × 84,603.19
  4. Step 4: Simplify right side
    156,223.06x = 18,239,433,371.75
  5. Step 5: Solve for x
    x = 18,239,433,371.75/156,223.06
  6. Step 6: Final answer
    x = 116,752.50

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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.