Home / 118,333.08-163,296.54-64,615.32

Finding the Fourth Proportional to 118,333.08, 163,296.54 and 64,615.32

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Solution

The fourth proportional to 118,333.08, 163,296.54 and 64,615.32 is: 89,167.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,333.08 : 163,296.54 = 64,615.32 : x
  2. Step 2: Convert to fraction form
    118,333.08/163,296.54 = 64,615.32/x
  3. Step 3: Cross multiply
    118,333.08x = 163,296.54 × 64,615.32
  4. Step 4: Simplify right side
    118,333.08x = 10,551,458,186.99
  5. Step 5: Solve for x
    x = 10,551,458,186.99/118,333.08
  6. Step 6: Final answer
    x = 89,167.44

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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.