Home / 153,272.16-211,517.46-86,204.16

Finding the Fourth Proportional to 153,272.16, 211,517.46 and 86,204.16

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Solution

The fourth proportional to 153,272.16, 211,517.46 and 86,204.16 is: 118,962.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,272.16 : 211,517.46 = 86,204.16 : x
  2. Step 2: Convert to fraction form
    153,272.16/211,517.46 = 86,204.16/x
  3. Step 3: Cross multiply
    153,272.16x = 211,517.46 × 86,204.16
  4. Step 4: Simplify right side
    153,272.16x = 18,233,684,964.63
  5. Step 5: Solve for x
    x = 18,233,684,964.63/153,272.16
  6. Step 6: Final answer
    x = 118,962.80

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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.