Home / 112,096.20-154,688.10-61,107.80

Finding the Fourth Proportional to 112,096.20, 154,688.10 and 61,107.80

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Solution

The fourth proportional to 112,096.20, 154,688.10 and 61,107.80 is: 84,326.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,096.20 : 154,688.10 = 61,107.80 : x
  2. Step 2: Convert to fraction form
    112,096.20/154,688.10 = 61,107.80/x
  3. Step 3: Cross multiply
    112,096.20x = 154,688.10 × 61,107.80
  4. Step 4: Simplify right side
    112,096.20x = 9,452,649,477.18
  5. Step 5: Solve for x
    x = 9,452,649,477.18/112,096.20
  6. Step 6: Final answer
    x = 84,326.23

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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.