Home / 121,516.36-182,280.02-37,270.40

Finding the Fourth Proportional to 121,516.36, 182,280.02 and 37,270.40

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Solution

The fourth proportional to 121,516.36, 182,280.02 and 37,270.40 is: 55,907.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,516.36 : 182,280.02 = 37,270.40 : x
  2. Step 2: Convert to fraction form
    121,516.36/182,280.02 = 37,270.40/x
  3. Step 3: Cross multiply
    121,516.36x = 182,280.02 × 37,270.40
  4. Step 4: Simplify right side
    121,516.36x = 6,793,648,159.66
  5. Step 5: Solve for x
    x = 6,793,648,159.66/121,516.36
  6. Step 6: Final answer
    x = 55,907.27

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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.