Home / 213,181.16-294,182.28-117,685.80

Finding the Fourth Proportional to 213,181.16, 294,182.28 and 117,685.80

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Solution

The fourth proportional to 213,181.16, 294,182.28 and 117,685.80 is: 162,402.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,181.16 : 294,182.28 = 117,685.80 : x
  2. Step 2: Convert to fraction form
    213,181.16/294,182.28 = 117,685.80/x
  3. Step 3: Cross multiply
    213,181.16x = 294,182.28 × 117,685.80
  4. Step 4: Simplify right side
    213,181.16x = 34,621,076,967.62
  5. Step 5: Solve for x
    x = 34,621,076,967.62/213,181.16
  6. Step 6: Final answer
    x = 162,402.15

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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.