Home / 127,405.04-191,159.93-56,290.14

Finding the Fourth Proportional to 127,405.04, 191,159.93 and 56,290.14

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Solution

The fourth proportional to 127,405.04, 191,159.93 and 56,290.14 is: 84,458.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,405.04 : 191,159.93 = 56,290.14 : x
  2. Step 2: Convert to fraction form
    127,405.04/191,159.93 = 56,290.14/x
  3. Step 3: Cross multiply
    127,405.04x = 191,159.93 × 56,290.14
  4. Step 4: Simplify right side
    127,405.04x = 10,760,419,362.82
  5. Step 5: Solve for x
    x = 10,760,419,362.82/127,405.04
  6. Step 6: Final answer
    x = 84,458.35

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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.