Home / 130,417.06-179,975.55-73,828.44

Finding the Fourth Proportional to 130,417.06, 179,975.55 and 73,828.44

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Solution

The fourth proportional to 130,417.06, 179,975.55 and 73,828.44 is: 101,883.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,417.06 : 179,975.55 = 73,828.44 : x
  2. Step 2: Convert to fraction form
    130,417.06/179,975.55 = 73,828.44/x
  3. Step 3: Cross multiply
    130,417.06x = 179,975.55 × 73,828.44
  4. Step 4: Simplify right side
    130,417.06x = 13,287,314,094.64
  5. Step 5: Solve for x
    x = 13,287,314,094.64/130,417.06
  6. Step 6: Final answer
    x = 101,883.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.