Home / 121,216.30-181,808.04-32,470.57

Finding the Fourth Proportional to 121,216.30, 181,808.04 and 32,470.57

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Solution

The fourth proportional to 121,216.30, 181,808.04 and 32,470.57 is: 48,701.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,216.30 : 181,808.04 = 32,470.57 : x
  2. Step 2: Convert to fraction form
    121,216.30/181,808.04 = 32,470.57/x
  3. Step 3: Cross multiply
    121,216.30x = 181,808.04 × 32,470.57
  4. Step 4: Simplify right side
    121,216.30x = 5,903,411,038.41
  5. Step 5: Solve for x
    x = 5,903,411,038.41/121,216.30
  6. Step 6: Final answer
    x = 48,701.46

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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.