Home / 111,505.10-167,257.65-36,636.80

Finding the Fourth Proportional to 111,505.10, 167,257.65 and 36,636.80

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Solution

The fourth proportional to 111,505.10, 167,257.65 and 36,636.80 is: 54,955.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,505.10 : 167,257.65 = 36,636.80 : x
  2. Step 2: Convert to fraction form
    111,505.10/167,257.65 = 36,636.80/x
  3. Step 3: Cross multiply
    111,505.10x = 167,257.65 × 36,636.80
  4. Step 4: Simplify right side
    111,505.10x = 6,127,785,071.52
  5. Step 5: Solve for x
    x = 6,127,785,071.52/111,505.10
  6. Step 6: Final answer
    x = 54,955.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.