Home / 127,186.65-175,519.22-69,817.64

Finding the Fourth Proportional to 127,186.65, 175,519.22 and 69,817.64

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Solution

The fourth proportional to 127,186.65, 175,519.22 and 69,817.64 is: 96,349.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,186.65 : 175,519.22 = 69,817.64 : x
  2. Step 2: Convert to fraction form
    127,186.65/175,519.22 = 69,817.64/x
  3. Step 3: Cross multiply
    127,186.65x = 175,519.22 × 69,817.64
  4. Step 4: Simplify right side
    127,186.65x = 12,254,336,488.36
  5. Step 5: Solve for x
    x = 12,254,336,488.36/127,186.65
  6. Step 6: Final answer
    x = 96,349.24

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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.