Home / 104,162.06-143,744.01-56,415.26

Finding the Fourth Proportional to 104,162.06, 143,744.01 and 56,415.26

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Solution

The fourth proportional to 104,162.06, 143,744.01 and 56,415.26 is: 77,853.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,162.06 : 143,744.01 = 56,415.26 : x
  2. Step 2: Convert to fraction form
    104,162.06/143,744.01 = 56,415.26/x
  3. Step 3: Cross multiply
    104,162.06x = 143,744.01 × 56,415.26
  4. Step 4: Simplify right side
    104,162.06x = 8,109,355,697.59
  5. Step 5: Solve for x
    x = 8,109,355,697.59/104,162.06
  6. Step 6: Final answer
    x = 77,853.26

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1.5x scale

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.