Home / 181,943.40-272,915.10-173,778.60

Finding the Fourth Proportional to 181,943.40, 272,915.10 and 173,778.60

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Solution

The fourth proportional to 181,943.40, 272,915.10 and 173,778.60 is: 260,667.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,943.40 : 272,915.10 = 173,778.60 : x
  2. Step 2: Convert to fraction form
    181,943.40/272,915.10 = 173,778.60/x
  3. Step 3: Cross multiply
    181,943.40x = 272,915.10 × 173,778.60
  4. Step 4: Simplify right side
    181,943.40x = 47,426,803,996.86
  5. Step 5: Solve for x
    x = 47,426,803,996.86/181,943.40
  6. Step 6: Final answer
    x = 260,667.90

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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.