Home / 174,130.72-261,152.18-67,478.02

Finding the Fourth Proportional to 174,130.72, 261,152.18 and 67,478.02

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Solution

The fourth proportional to 174,130.72, 261,152.18 and 67,478.02 is: 101,200.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,130.72 : 261,152.18 = 67,478.02 : x
  2. Step 2: Convert to fraction form
    174,130.72/261,152.18 = 67,478.02/x
  3. Step 3: Cross multiply
    174,130.72x = 261,152.18 × 67,478.02
  4. Step 4: Simplify right side
    174,130.72x = 17,622,032,025.08
  5. Step 5: Solve for x
    x = 17,622,032,025.08/174,130.72
  6. Step 6: Final answer
    x = 101,200.02

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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.