Home / 174,401.40-261,602.10-69,166.20

Finding the Fourth Proportional to 174,401.40, 261,602.10 and 69,166.20

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Solution

The fourth proportional to 174,401.40, 261,602.10 and 69,166.20 is: 103,749.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,401.40 : 261,602.10 = 69,166.20 : x
  2. Step 2: Convert to fraction form
    174,401.40/261,602.10 = 69,166.20/x
  3. Step 3: Cross multiply
    174,401.40x = 261,602.10 × 69,166.20
  4. Step 4: Simplify right side
    174,401.40x = 18,094,023,169.02
  5. Step 5: Solve for x
    x = 18,094,023,169.02/174,401.40
  6. Step 6: Final answer
    x = 103,749.30

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1.5x scale

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.