Home / 156,187.29-215,538.56-84,567.36

Finding the Fourth Proportional to 156,187.29, 215,538.56 and 84,567.36

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Solution

The fourth proportional to 156,187.29, 215,538.56 and 84,567.36 is: 116,703.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,187.29 : 215,538.56 = 84,567.36 : x
  2. Step 2: Convert to fraction form
    156,187.29/215,538.56 = 84,567.36/x
  3. Step 3: Cross multiply
    156,187.29x = 215,538.56 × 84,567.36
  4. Step 4: Simplify right side
    156,187.29x = 18,227,526,997.40
  5. Step 5: Solve for x
    x = 18,227,526,997.40/156,187.29
  6. Step 6: Final answer
    x = 116,703.01

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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.