Home / 111,926.96-167,890.80-45,368.40

Finding the Fourth Proportional to 111,926.96, 167,890.80 and 45,368.40

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Solution

The fourth proportional to 111,926.96, 167,890.80 and 45,368.40 is: 68,052.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,926.96 : 167,890.80 = 45,368.40 : x
  2. Step 2: Convert to fraction form
    111,926.96/167,890.80 = 45,368.40/x
  3. Step 3: Cross multiply
    111,926.96x = 167,890.80 × 45,368.40
  4. Step 4: Simplify right side
    111,926.96x = 7,616,936,970.72
  5. Step 5: Solve for x
    x = 7,616,936,970.72/111,926.96
  6. Step 6: Final answer
    x = 68,052.75

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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.