Home / 191,087.86-263,774.74-127,402.42

Finding the Fourth Proportional to 191,087.86, 263,774.74 and 127,402.42

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Solution

The fourth proportional to 191,087.86, 263,774.74 and 127,402.42 is: 175,864.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,087.86 : 263,774.74 = 127,402.42 : x
  2. Step 2: Convert to fraction form
    191,087.86/263,774.74 = 127,402.42/x
  3. Step 3: Cross multiply
    191,087.86x = 263,774.74 × 127,402.42
  4. Step 4: Simplify right side
    191,087.86x = 33,605,540,210.87
  5. Step 5: Solve for x
    x = 33,605,540,210.87/191,087.86
  6. Step 6: Final answer
    x = 175,864.34

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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.