Home / 127,514.50-191,230.39-42,106.15

Finding the Fourth Proportional to 127,514.50, 191,230.39 and 42,106.15

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Solution

The fourth proportional to 127,514.50, 191,230.39 and 42,106.15 is: 63,145.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,514.50 : 191,230.39 = 42,106.15 : x
  2. Step 2: Convert to fraction form
    127,514.50/191,230.39 = 42,106.15/x
  3. Step 3: Cross multiply
    127,514.50x = 191,230.39 × 42,106.15
  4. Step 4: Simplify right side
    127,514.50x = 8,051,975,485.90
  5. Step 5: Solve for x
    x = 8,051,975,485.90/127,514.50
  6. Step 6: Final answer
    x = 63,145.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.