Home / 127,065.66-190,357.91-84,818.35

Finding the Fourth Proportional to 127,065.66, 190,357.91 and 84,818.35

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Solution

The fourth proportional to 127,065.66, 190,357.91 and 84,818.35 is: 127,066.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,065.66 : 190,357.91 = 84,818.35 : x
  2. Step 2: Convert to fraction form
    127,065.66/190,357.91 = 84,818.35/x
  3. Step 3: Cross multiply
    127,065.66x = 190,357.91 × 84,818.35
  4. Step 4: Simplify right side
    127,065.66x = 16,145,843,835.65
  5. Step 5: Solve for x
    x = 16,145,843,835.65/127,065.66
  6. Step 6: Final answer
    x = 127,066.93

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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.