Home / 172,415.36-238,050.32-127,098.56

Finding the Fourth Proportional to 172,415.36, 238,050.32 and 127,098.56

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Solution

The fourth proportional to 172,415.36, 238,050.32 and 127,098.56 is: 175,482.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,415.36 : 238,050.32 = 127,098.56 : x
  2. Step 2: Convert to fraction form
    172,415.36/238,050.32 = 127,098.56/x
  3. Step 3: Cross multiply
    172,415.36x = 238,050.32 × 127,098.56
  4. Step 4: Simplify right side
    172,415.36x = 30,255,852,879.54
  5. Step 5: Solve for x
    x = 30,255,852,879.54/172,415.36
  6. Step 6: Final answer
    x = 175,482.35

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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.