Home / 118,724.36-163,839.88-64,277.10

Finding the Fourth Proportional to 118,724.36, 163,839.88 and 64,277.10

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Solution

The fourth proportional to 118,724.36, 163,839.88 and 64,277.10 is: 88,702.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,724.36 : 163,839.88 = 64,277.10 : x
  2. Step 2: Convert to fraction form
    118,724.36/163,839.88 = 64,277.10/x
  3. Step 3: Cross multiply
    118,724.36x = 163,839.88 × 64,277.10
  4. Step 4: Simplify right side
    118,724.36x = 10,531,152,431.09
  5. Step 5: Solve for x
    x = 10,531,152,431.09/118,724.36
  6. Step 6: Final answer
    x = 88,702.54

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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.