Home / 111,605.12-167,407.67-49,263.20

Finding the Fourth Proportional to 111,605.12, 167,407.67 and 49,263.20

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Solution

The fourth proportional to 111,605.12, 167,407.67 and 49,263.20 is: 73,894.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,605.12 : 167,407.67 = 49,263.20 : x
  2. Step 2: Convert to fraction form
    111,605.12/167,407.67 = 49,263.20/x
  3. Step 3: Cross multiply
    111,605.12x = 167,407.67 × 49,263.20
  4. Step 4: Simplify right side
    111,605.12x = 8,247,037,528.74
  5. Step 5: Solve for x
    x = 8,247,037,528.74/111,605.12
  6. Step 6: Final answer
    x = 73,894.80

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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.