Home / 127,185.47-175,466.00-76,200.35

Finding the Fourth Proportional to 127,185.47, 175,466.00 and 76,200.35

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Solution

The fourth proportional to 127,185.47, 175,466.00 and 76,200.35 is: 105,126.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,185.47 : 175,466.00 = 76,200.35 : x
  2. Step 2: Convert to fraction form
    127,185.47/175,466.00 = 76,200.35/x
  3. Step 3: Cross multiply
    127,185.47x = 175,466.00 × 76,200.35
  4. Step 4: Simplify right side
    127,185.47x = 13,370,569,497.64
  5. Step 5: Solve for x
    x = 13,370,569,497.64/127,185.47
  6. Step 6: Final answer
    x = 105,126.55

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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.