Home / 130,479.51-180,061.59-73,119.27

Finding the Fourth Proportional to 130,479.51, 180,061.59 and 73,119.27

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Solution

The fourth proportional to 130,479.51, 180,061.59 and 73,119.27 is: 100,904.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,479.51 : 180,061.59 = 73,119.27 : x
  2. Step 2: Convert to fraction form
    130,479.51/180,061.59 = 73,119.27/x
  3. Step 3: Cross multiply
    130,479.51x = 180,061.59 × 73,119.27
  4. Step 4: Simplify right side
    130,479.51x = 13,165,972,015.84
  5. Step 5: Solve for x
    x = 13,165,972,015.84/130,479.51
  6. Step 6: Final answer
    x = 100,904.52

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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.