Home / 156,220.11-215,582.63-84,598.47

Finding the Fourth Proportional to 156,220.11, 215,582.63 and 84,598.47

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Solution

The fourth proportional to 156,220.11, 215,582.63 and 84,598.47 is: 116,745.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,220.11 : 215,582.63 = 84,598.47 : x
  2. Step 2: Convert to fraction form
    156,220.11/215,582.63 = 84,598.47/x
  3. Step 3: Cross multiply
    156,220.11x = 215,582.63 × 84,598.47
  4. Step 4: Simplify right side
    156,220.11x = 18,237,960,233.58
  5. Step 5: Solve for x
    x = 18,237,960,233.58/156,220.11
  6. Step 6: Final answer
    x = 116,745.28

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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.