Home / 104,140.53-143,714.46-56,394.07

Finding the Fourth Proportional to 104,140.53, 143,714.46 and 56,394.07

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Solution

The fourth proportional to 104,140.53, 143,714.46 and 56,394.07 is: 77,824.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,140.53 : 143,714.46 = 56,394.07 : x
  2. Step 2: Convert to fraction form
    104,140.53/143,714.46 = 56,394.07/x
  3. Step 3: Cross multiply
    104,140.53x = 143,714.46 × 56,394.07
  4. Step 4: Simplify right side
    104,140.53x = 8,104,642,424.15
  5. Step 5: Solve for x
    x = 8,104,642,424.15/104,140.53
  6. Step 6: Final answer
    x = 77,824.10

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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.