Home / 153,530.10-229,967.10-127,286.10

Finding the Fourth Proportional to 153,530.10, 229,967.10 and 127,286.10

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Solution

The fourth proportional to 153,530.10, 229,967.10 and 127,286.10 is: 190,657.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,530.10 : 229,967.10 = 127,286.10 : x
  2. Step 2: Convert to fraction form
    153,530.10/229,967.10 = 127,286.10/x
  3. Step 3: Cross multiply
    153,530.10x = 229,967.10 × 127,286.10
  4. Step 4: Simplify right side
    153,530.10x = 29,271,615,287.31
  5. Step 5: Solve for x
    x = 29,271,615,287.31/153,530.10
  6. Step 6: Final answer
    x = 190,657.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.