Home / 207,759.16-286,643.88-127,102.60

Finding the Fourth Proportional to 207,759.16, 286,643.88 and 127,102.60

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Solution

The fourth proportional to 207,759.16, 286,643.88 and 127,102.60 is: 175,362.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,759.16 : 286,643.88 = 127,102.60 : x
  2. Step 2: Convert to fraction form
    207,759.16/286,643.88 = 127,102.60/x
  3. Step 3: Cross multiply
    207,759.16x = 286,643.88 × 127,102.60
  4. Step 4: Simplify right side
    207,759.16x = 36,433,182,422.09
  5. Step 5: Solve for x
    x = 36,433,182,422.09/207,759.16
  6. Step 6: Final answer
    x = 175,362.58

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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.