Home / 127,681.31-176,173.38-73,963.10

Finding the Fourth Proportional to 127,681.31, 176,173.38 and 73,963.10

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Solution

The fourth proportional to 127,681.31, 176,173.38 and 73,963.10 is: 102,053.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,681.31 : 176,173.38 = 73,963.10 : x
  2. Step 2: Convert to fraction form
    127,681.31/176,173.38 = 73,963.10/x
  3. Step 3: Cross multiply
    127,681.31x = 176,173.38 × 73,963.10
  4. Step 4: Simplify right side
    127,681.31x = 13,030,328,441.41
  5. Step 5: Solve for x
    x = 13,030,328,441.41/127,681.31
  6. Step 6: Final answer
    x = 102,053.53

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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.