Home / 127,612.65-191,529.61-127,317.41

Finding the Fourth Proportional to 127,612.65, 191,529.61 and 127,317.41

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Solution

The fourth proportional to 127,612.65, 191,529.61 and 127,317.41 is: 191,086.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,612.65 : 191,529.61 = 127,317.41 : x
  2. Step 2: Convert to fraction form
    127,612.65/191,529.61 = 127,317.41/x
  3. Step 3: Cross multiply
    127,612.65x = 191,529.61 × 127,317.41
  4. Step 4: Simplify right side
    127,612.65x = 24,385,053,883.51
  5. Step 5: Solve for x
    x = 24,385,053,883.51/127,612.65
  6. Step 6: Final answer
    x = 191,086.49

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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.