Home / 104,200.16-143,796.36-56,453.51

Finding the Fourth Proportional to 104,200.16, 143,796.36 and 56,453.51

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Solution

The fourth proportional to 104,200.16, 143,796.36 and 56,453.51 is: 77,905.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,200.16 : 143,796.36 = 56,453.51 : x
  2. Step 2: Convert to fraction form
    104,200.16/143,796.36 = 56,453.51/x
  3. Step 3: Cross multiply
    104,200.16x = 143,796.36 × 56,453.51
  4. Step 4: Simplify right side
    104,200.16x = 8,117,809,247.22
  5. Step 5: Solve for x
    x = 8,117,809,247.22/104,200.16
  6. Step 6: Final answer
    x = 77,905.92

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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.