Home / 181,015.20-248,915.16-157,100.40

Finding the Fourth Proportional to 181,015.20, 248,915.16 and 157,100.40

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Solution

The fourth proportional to 181,015.20, 248,915.16 and 157,100.40 is: 216,029.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,015.20 : 248,915.16 = 157,100.40 : x
  2. Step 2: Convert to fraction form
    181,015.20/248,915.16 = 157,100.40/x
  3. Step 3: Cross multiply
    181,015.20x = 248,915.16 × 157,100.40
  4. Step 4: Simplify right side
    181,015.20x = 39,104,671,202.06
  5. Step 5: Solve for x
    x = 39,104,671,202.06/181,015.20
  6. Step 6: Final answer
    x = 216,029.77

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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.