Home / 235,172.25-324,543.60-127,742.22

Finding the Fourth Proportional to 235,172.25, 324,543.60 and 127,742.22

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Solution

The fourth proportional to 235,172.25, 324,543.60 and 127,742.22 is: 176,287.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,172.25 : 324,543.60 = 127,742.22 : x
  2. Step 2: Convert to fraction form
    235,172.25/324,543.60 = 127,742.22/x
  3. Step 3: Cross multiply
    235,172.25x = 324,543.60 × 127,742.22
  4. Step 4: Simplify right side
    235,172.25x = 41,457,919,950.79
  5. Step 5: Solve for x
    x = 41,457,919,950.79/235,172.25
  6. Step 6: Final answer
    x = 176,287.47

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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.