Home / 156,157.48-215,495.54-84,535.94

Finding the Fourth Proportional to 156,157.48, 215,495.54 and 84,535.94

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Solution

The fourth proportional to 156,157.48, 215,495.54 and 84,535.94 is: 116,658.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,157.48 : 215,495.54 = 84,535.94 : x
  2. Step 2: Convert to fraction form
    156,157.48/215,495.54 = 84,535.94/x
  3. Step 3: Cross multiply
    156,157.48x = 215,495.54 × 84,535.94
  4. Step 4: Simplify right side
    156,157.48x = 18,217,118,039.71
  5. Step 5: Solve for x
    x = 18,217,118,039.71/156,157.48
  6. Step 6: Final answer
    x = 116,658.63

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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.