Home / 118,697.18-163,816.98-70,976.84

Finding the Fourth Proportional to 118,697.18, 163,816.98 and 70,976.84

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Solution

The fourth proportional to 118,697.18, 163,816.98 and 70,976.84 is: 97,956.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,697.18 : 163,816.98 = 70,976.84 : x
  2. Step 2: Convert to fraction form
    118,697.18/163,816.98 = 70,976.84/x
  3. Step 3: Cross multiply
    118,697.18x = 163,816.98 × 70,976.84
  4. Step 4: Simplify right side
    118,697.18x = 11,627,211,578.74
  5. Step 5: Solve for x
    x = 11,627,211,578.74/118,697.18
  6. Step 6: Final answer
    x = 97,956.93

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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.