Home / 181,931.40-272,897.10-173,766.60

Finding the Fourth Proportional to 181,931.40, 272,897.10 and 173,766.60

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Solution

The fourth proportional to 181,931.40, 272,897.10 and 173,766.60 is: 260,649.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,931.40 : 272,897.10 = 173,766.60 : x
  2. Step 2: Convert to fraction form
    181,931.40/272,897.10 = 173,766.60/x
  3. Step 3: Cross multiply
    181,931.40x = 272,897.10 × 173,766.60
  4. Step 4: Simplify right side
    181,931.40x = 47,420,401,216.86
  5. Step 5: Solve for x
    x = 47,420,401,216.86/181,931.40
  6. Step 6: Final answer
    x = 260,649.90

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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.