Home / 117,531.43-176,303.30-89,495.45

Finding the Fourth Proportional to 117,531.43, 176,303.30 and 89,495.45

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Solution

The fourth proportional to 117,531.43, 176,303.30 and 89,495.45 is: 134,247.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,531.43 : 176,303.30 = 89,495.45 : x
  2. Step 2: Convert to fraction form
    117,531.43/176,303.30 = 89,495.45/x
  3. Step 3: Cross multiply
    117,531.43x = 176,303.30 × 89,495.45
  4. Step 4: Simplify right side
    117,531.43x = 15,778,343,163.27
  5. Step 5: Solve for x
    x = 15,778,343,163.27/117,531.43
  6. Step 6: Final answer
    x = 134,247.86

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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.