Home / 191,208.06-263,856.28-106,323.30

Finding the Fourth Proportional to 191,208.06, 263,856.28 and 106,323.30

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Solution

The fourth proportional to 191,208.06, 263,856.28 and 106,323.30 is: 146,720.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,208.06 : 263,856.28 = 106,323.30 : x
  2. Step 2: Convert to fraction form
    191,208.06/263,856.28 = 106,323.30/x
  3. Step 3: Cross multiply
    191,208.06x = 263,856.28 × 106,323.30
  4. Step 4: Simplify right side
    191,208.06x = 28,054,070,415.32
  5. Step 5: Solve for x
    x = 28,054,070,415.32/191,208.06
  6. Step 6: Final answer
    x = 146,720.12

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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.