Home / 118,395.26-163,396.71-64,688.34

Finding the Fourth Proportional to 118,395.26, 163,396.71 and 64,688.34

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Solution

The fourth proportional to 118,395.26, 163,396.71 and 64,688.34 is: 89,276.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,395.26 : 163,396.71 = 64,688.34 : x
  2. Step 2: Convert to fraction form
    118,395.26/163,396.71 = 64,688.34/x
  3. Step 3: Cross multiply
    118,395.26x = 163,396.71 × 64,688.34
  4. Step 4: Simplify right side
    118,395.26x = 10,569,861,931.36
  5. Step 5: Solve for x
    x = 10,569,861,931.36/118,395.26
  6. Step 6: Final answer
    x = 89,276.06

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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.