Home / 191,741.14-265,081.08-143,911.45

Finding the Fourth Proportional to 191,741.14, 265,081.08 and 143,911.45

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Solution

The fourth proportional to 191,741.14, 265,081.08 and 143,911.45 is: 198,956.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,741.14 : 265,081.08 = 143,911.45 : x
  2. Step 2: Convert to fraction form
    191,741.14/265,081.08 = 143,911.45/x
  3. Step 3: Cross multiply
    191,741.14x = 265,081.08 × 143,911.45
  4. Step 4: Simplify right side
    191,741.14x = 38,148,202,590.37
  5. Step 5: Solve for x
    x = 38,148,202,590.37/191,741.14
  6. Step 6: Final answer
    x = 198,956.79

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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.