Home / 111,564.81-167,272.90-40,478.23

Finding the Fourth Proportional to 111,564.81, 167,272.90 and 40,478.23

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Solution

The fourth proportional to 111,564.81, 167,272.90 and 40,478.23 is: 60,690.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,564.81 : 167,272.90 = 40,478.23 : x
  2. Step 2: Convert to fraction form
    111,564.81/167,272.90 = 40,478.23/x
  3. Step 3: Cross multiply
    111,564.81x = 167,272.90 × 40,478.23
  4. Step 4: Simplify right side
    111,564.81x = 6,770,911,026.86
  5. Step 5: Solve for x
    x = 6,770,911,026.86/111,564.81
  6. Step 6: Final answer
    x = 60,690.38

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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.