Home / 104,014.19-143,539.15-56,267.42

Finding the Fourth Proportional to 104,014.19, 143,539.15 and 56,267.42

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Solution

The fourth proportional to 104,014.19, 143,539.15 and 56,267.42 is: 77,648.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,014.19 : 143,539.15 = 56,267.42 : x
  2. Step 2: Convert to fraction form
    104,014.19/143,539.15 = 56,267.42/x
  3. Step 3: Cross multiply
    104,014.19x = 143,539.15 × 56,267.42
  4. Step 4: Simplify right side
    104,014.19x = 8,076,577,639.49
  5. Step 5: Solve for x
    x = 8,076,577,639.49/104,014.19
  6. Step 6: Final answer
    x = 77,648.81

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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.