Home / 178,403.88-246,503.34-172,017.84

Finding the Fourth Proportional to 178,403.88, 246,503.34 and 172,017.84

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Solution

The fourth proportional to 178,403.88, 246,503.34 and 172,017.84 is: 237,679.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,403.88 : 246,503.34 = 172,017.84 : x
  2. Step 2: Convert to fraction form
    178,403.88/246,503.34 = 172,017.84/x
  3. Step 3: Cross multiply
    178,403.88x = 246,503.34 × 172,017.84
  4. Step 4: Simplify right side
    178,403.88x = 42,402,972,099.59
  5. Step 5: Solve for x
    x = 42,402,972,099.59/178,403.88
  6. Step 6: Final answer
    x = 237,679.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.