Home / 118,148.31-163,045.98-64,433.16

Finding the Fourth Proportional to 118,148.31, 163,045.98 and 64,433.16

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Solution

The fourth proportional to 118,148.31, 163,045.98 and 64,433.16 is: 88,918.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,148.31 : 163,045.98 = 64,433.16 : x
  2. Step 2: Convert to fraction form
    118,148.31/163,045.98 = 64,433.16/x
  3. Step 3: Cross multiply
    118,148.31x = 163,045.98 × 64,433.16
  4. Step 4: Simplify right side
    118,148.31x = 10,505,567,716.70
  5. Step 5: Solve for x
    x = 10,505,567,716.70/118,148.31
  6. Step 6: Final answer
    x = 88,918.48

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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.