Home / 156,556.41-216,048.31-84,937.02

Finding the Fourth Proportional to 156,556.41, 216,048.31 and 84,937.02

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Solution

The fourth proportional to 156,556.41, 216,048.31 and 84,937.02 is: 117,213.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,556.41 : 216,048.31 = 84,937.02 : x
  2. Step 2: Convert to fraction form
    156,556.41/216,048.31 = 84,937.02/x
  3. Step 3: Cross multiply
    156,556.41x = 216,048.31 × 84,937.02
  4. Step 4: Simplify right side
    156,556.41x = 18,350,499,415.09
  5. Step 5: Solve for x
    x = 18,350,499,415.09/156,556.41
  6. Step 6: Final answer
    x = 117,213.34

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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.