Home / 127,207.07-175,525.30-73,499.21

Finding the Fourth Proportional to 127,207.07, 175,525.30 and 73,499.21

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Solution

The fourth proportional to 127,207.07, 175,525.30 and 73,499.21 is: 101,417.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,207.07 : 175,525.30 = 73,499.21 : x
  2. Step 2: Convert to fraction form
    127,207.07/175,525.30 = 73,499.21/x
  3. Step 3: Cross multiply
    127,207.07x = 175,525.30 × 73,499.21
  4. Step 4: Simplify right side
    127,207.07x = 12,900,970,885.01
  5. Step 5: Solve for x
    x = 12,900,970,885.01/127,207.07
  6. Step 6: Final answer
    x = 101,417.09

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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.