Home / 118,240.86-163,161.27-70,484.70

Finding the Fourth Proportional to 118,240.86, 163,161.27 and 70,484.70

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Solution

The fourth proportional to 118,240.86, 163,161.27 and 70,484.70 is: 97,262.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,240.86 : 163,161.27 = 70,484.70 : x
  2. Step 2: Convert to fraction form
    118,240.86/163,161.27 = 70,484.70/x
  3. Step 3: Cross multiply
    118,240.86x = 163,161.27 × 70,484.70
  4. Step 4: Simplify right side
    118,240.86x = 11,500,373,167.57
  5. Step 5: Solve for x
    x = 11,500,373,167.57/118,240.86
  6. Step 6: Final answer
    x = 97,262.26

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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.