Home / 121,038.20-181,557.30-93,044.60

Finding the Fourth Proportional to 121,038.20, 181,557.30 and 93,044.60

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Solution

The fourth proportional to 121,038.20, 181,557.30 and 93,044.60 is: 139,566.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,038.20 : 181,557.30 = 93,044.60 : x
  2. Step 2: Convert to fraction form
    121,038.20/181,557.30 = 93,044.60/x
  3. Step 3: Cross multiply
    121,038.20x = 181,557.30 × 93,044.60
  4. Step 4: Simplify right side
    121,038.20x = 16,892,926,355.58
  5. Step 5: Solve for x
    x = 16,892,926,355.58/121,038.20
  6. Step 6: Final answer
    x = 139,566.90

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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.