Home / 172,574.21-238,225.89-116,018.39

Finding the Fourth Proportional to 172,574.21, 238,225.89 and 116,018.39

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Solution

The fourth proportional to 172,574.21, 238,225.89 and 116,018.39 is: 160,154.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,574.21 : 238,225.89 = 116,018.39 : x
  2. Step 2: Convert to fraction form
    172,574.21/238,225.89 = 116,018.39/x
  3. Step 3: Cross multiply
    172,574.21x = 238,225.89 × 116,018.39
  4. Step 4: Simplify right side
    172,574.21x = 27,638,583,022.99
  5. Step 5: Solve for x
    x = 27,638,583,022.99/172,574.21
  6. Step 6: Final answer
    x = 160,154.78

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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.