Home / 130,271.25-179,774.33-73,681.41

Finding the Fourth Proportional to 130,271.25, 179,774.33 and 73,681.41

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Solution

The fourth proportional to 130,271.25, 179,774.33 and 73,681.41 is: 101,680.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,271.25 : 179,774.33 = 73,681.41 : x
  2. Step 2: Convert to fraction form
    130,271.25/179,774.33 = 73,681.41/x
  3. Step 3: Cross multiply
    130,271.25x = 179,774.33 × 73,681.41
  4. Step 4: Simplify right side
    130,271.25x = 13,246,026,116.21
  5. Step 5: Solve for x
    x = 13,246,026,116.21/130,271.25
  6. Step 6: Final answer
    x = 101,680.35

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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.