Home / 111,208.08-153,478.14-63,468.60

Finding the Fourth Proportional to 111,208.08, 153,478.14 and 63,468.60

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Solution

The fourth proportional to 111,208.08, 153,478.14 and 63,468.60 is: 87,592.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,208.08 : 153,478.14 = 63,468.60 : x
  2. Step 2: Convert to fraction form
    111,208.08/153,478.14 = 63,468.60/x
  3. Step 3: Cross multiply
    111,208.08x = 153,478.14 × 63,468.60
  4. Step 4: Simplify right side
    111,208.08x = 9,741,042,676.40
  5. Step 5: Solve for x
    x = 9,741,042,676.40/111,208.08
  6. Step 6: Final answer
    x = 87,592.94

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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.