Home / 153,116.44-211,310.26-85,148.62

Finding the Fourth Proportional to 153,116.44, 211,310.26 and 85,148.62

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Solution

The fourth proportional to 153,116.44, 211,310.26 and 85,148.62 is: 117,510.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,116.44 : 211,310.26 = 85,148.62 : x
  2. Step 2: Convert to fraction form
    153,116.44/211,310.26 = 85,148.62/x
  3. Step 3: Cross multiply
    153,116.44x = 211,310.26 × 85,148.62
  4. Step 4: Simplify right side
    153,116.44x = 17,992,777,030.84
  5. Step 5: Solve for x
    x = 17,992,777,030.84/153,116.44
  6. Step 6: Final answer
    x = 117,510.42

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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.