Home / 178,405.38-246,505.41-172,019.34

Finding the Fourth Proportional to 178,405.38, 246,505.41 and 172,019.34

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Solution

The fourth proportional to 178,405.38, 246,505.41 and 172,019.34 is: 237,681.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,405.38 : 246,505.41 = 172,019.34 : x
  2. Step 2: Convert to fraction form
    178,405.38/246,505.41 = 172,019.34/x
  3. Step 3: Cross multiply
    178,405.38x = 246,505.41 × 172,019.34
  4. Step 4: Simplify right side
    178,405.38x = 42,403,697,934.63
  5. Step 5: Solve for x
    x = 42,403,697,934.63/178,405.38
  6. Step 6: Final answer
    x = 237,681.72

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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.