Home / 137,746.01-190,074.87-77,323.30

Finding the Fourth Proportional to 137,746.01, 190,074.87 and 77,323.30

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Solution

The fourth proportional to 137,746.01, 190,074.87 and 77,323.30 is: 106,697.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,746.01 : 190,074.87 = 77,323.30 : x
  2. Step 2: Convert to fraction form
    137,746.01/190,074.87 = 77,323.30/x
  3. Step 3: Cross multiply
    137,746.01x = 190,074.87 × 77,323.30
  4. Step 4: Simplify right side
    137,746.01x = 14,697,215,245.10
  5. Step 5: Solve for x
    x = 14,697,215,245.10/137,746.01
  6. Step 6: Final answer
    x = 106,697.94

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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.