Home / 125,215.32-172,796.81-67,856.24

Finding the Fourth Proportional to 125,215.32, 172,796.81 and 67,856.24

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Solution

The fourth proportional to 125,215.32, 172,796.81 and 67,856.24 is: 93,641.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,215.32 : 172,796.81 = 67,856.24 : x
  2. Step 2: Convert to fraction form
    125,215.32/172,796.81 = 67,856.24/x
  3. Step 3: Cross multiply
    125,215.32x = 172,796.81 × 67,856.24
  4. Step 4: Simplify right side
    125,215.32x = 11,725,341,810.59
  5. Step 5: Solve for x
    x = 11,725,341,810.59/125,215.32
  6. Step 6: Final answer
    x = 93,641.43

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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.