Home / 113,605.44-156,802.22-70,617.36

Finding the Fourth Proportional to 113,605.44, 156,802.22 and 70,617.36

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Solution

The fourth proportional to 113,605.44, 156,802.22 and 70,617.36 is: 97,468.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,605.44 : 156,802.22 = 70,617.36 : x
  2. Step 2: Convert to fraction form
    113,605.44/156,802.22 = 70,617.36/x
  3. Step 3: Cross multiply
    113,605.44x = 156,802.22 × 70,617.36
  4. Step 4: Simplify right side
    113,605.44x = 11,072,958,818.54
  5. Step 5: Solve for x
    x = 11,072,958,818.54/113,605.44
  6. Step 6: Final answer
    x = 97,468.56

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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.