Home / 121,371.02-182,056.56-38,271.50

Finding the Fourth Proportional to 121,371.02, 182,056.56 and 38,271.50

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Solution

The fourth proportional to 121,371.02, 182,056.56 and 38,271.50 is: 57,407.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,371.02 : 182,056.56 = 38,271.50 : x
  2. Step 2: Convert to fraction form
    121,371.02/182,056.56 = 38,271.50/x
  3. Step 3: Cross multiply
    121,371.02x = 182,056.56 × 38,271.50
  4. Step 4: Simplify right side
    121,371.02x = 6,967,577,636.04
  5. Step 5: Solve for x
    x = 6,967,577,636.04/121,371.02
  6. Step 6: Final answer
    x = 57,407.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.