Home / 130,291.36-179,802.77-73,701.52

Finding the Fourth Proportional to 130,291.36, 179,802.77 and 73,701.52

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Solution

The fourth proportional to 130,291.36, 179,802.77 and 73,701.52 is: 101,708.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,291.36 : 179,802.77 = 73,701.52 : x
  2. Step 2: Convert to fraction form
    130,291.36/179,802.77 = 73,701.52/x
  3. Step 3: Cross multiply
    130,291.36x = 179,802.77 × 73,701.52
  4. Step 4: Simplify right side
    130,291.36x = 13,251,736,631.20
  5. Step 5: Solve for x
    x = 13,251,736,631.20/130,291.36
  6. Step 6: Final answer
    x = 101,708.49

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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.