Home / 191,009.08-263,587.80-106,126.35

Finding the Fourth Proportional to 191,009.08, 263,587.80 and 106,126.35

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Solution

The fourth proportional to 191,009.08, 263,587.80 and 106,126.35 is: 146,451.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,009.08 : 263,587.80 = 106,126.35 : x
  2. Step 2: Convert to fraction form
    191,009.08/263,587.80 = 106,126.35/x
  3. Step 3: Cross multiply
    191,009.08x = 263,587.80 × 106,126.35
  4. Step 4: Simplify right side
    191,009.08x = 27,973,611,118.53
  5. Step 5: Solve for x
    x = 27,973,611,118.53/191,009.08
  6. Step 6: Final answer
    x = 146,451.73

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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.