Home / 111,984.15-154,532.30-69,541.77

Finding the Fourth Proportional to 111,984.15, 154,532.30 and 69,541.77

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Solution

The fourth proportional to 111,984.15, 154,532.30 and 69,541.77 is: 95,964.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,984.15 : 154,532.30 = 69,541.77 : x
  2. Step 2: Convert to fraction form
    111,984.15/154,532.30 = 69,541.77/x
  3. Step 3: Cross multiply
    111,984.15x = 154,532.30 × 69,541.77
  4. Step 4: Simplify right side
    111,984.15x = 10,746,449,316.46
  5. Step 5: Solve for x
    x = 10,746,449,316.46/111,984.15
  6. Step 6: Final answer
    x = 95,964.02

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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.