Home / 178,887.51-246,867.65-102,406.30

Finding the Fourth Proportional to 178,887.51, 246,867.65 and 102,406.30

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Solution

The fourth proportional to 178,887.51, 246,867.65 and 102,406.30 is: 141,322.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,887.51 : 246,867.65 = 102,406.30 : x
  2. Step 2: Convert to fraction form
    178,887.51/246,867.65 = 102,406.30/x
  3. Step 3: Cross multiply
    178,887.51x = 246,867.65 × 102,406.30
  4. Step 4: Simplify right side
    178,887.51x = 25,280,801,496.99
  5. Step 5: Solve for x
    x = 25,280,801,496.99/178,887.51
  6. Step 6: Final answer
    x = 141,322.34

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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.