Home / 118,359.03-163,334.60-64,644.06

Finding the Fourth Proportional to 118,359.03, 163,334.60 and 64,644.06

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Solution

The fourth proportional to 118,359.03, 163,334.60 and 64,644.06 is: 89,208.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,359.03 : 163,334.60 = 64,644.06 : x
  2. Step 2: Convert to fraction form
    118,359.03/163,334.60 = 64,644.06/x
  3. Step 3: Cross multiply
    118,359.03x = 163,334.60 × 64,644.06
  4. Step 4: Simplify right side
    118,359.03x = 10,558,611,359.26
  5. Step 5: Solve for x
    x = 10,558,611,359.26/118,359.03
  6. Step 6: Final answer
    x = 89,208.33

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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.