Home / 127,054.21-190,427.47-70,834.62

Finding the Fourth Proportional to 127,054.21, 190,427.47 and 70,834.62

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Solution

The fourth proportional to 127,054.21, 190,427.47 and 70,834.62 is: 106,166.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,054.21 : 190,427.47 = 70,834.62 : x
  2. Step 2: Convert to fraction form
    127,054.21/190,427.47 = 70,834.62/x
  3. Step 3: Cross multiply
    127,054.21x = 190,427.47 × 70,834.62
  4. Step 4: Simplify right side
    127,054.21x = 13,488,857,475.01
  5. Step 5: Solve for x
    x = 13,488,857,475.01/127,054.21
  6. Step 6: Final answer
    x = 106,166.16

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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.