Home / 156,220.86-215,583.66-84,599.22

Finding the Fourth Proportional to 156,220.86, 215,583.66 and 84,599.22

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Solution

The fourth proportional to 156,220.86, 215,583.66 and 84,599.22 is: 116,746.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,220.86 : 215,583.66 = 84,599.22 : x
  2. Step 2: Convert to fraction form
    156,220.86/215,583.66 = 84,599.22/x
  3. Step 3: Cross multiply
    156,220.86x = 215,583.66 × 84,599.22
  4. Step 4: Simplify right side
    156,220.86x = 18,238,209,480.75
  5. Step 5: Solve for x
    x = 18,238,209,480.75/156,220.86
  6. Step 6: Final answer
    x = 116,746.31

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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.