Home / 104,254.04-143,870.83-56,507.34

Finding the Fourth Proportional to 104,254.04, 143,870.83 and 56,507.34

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Solution

The fourth proportional to 104,254.04, 143,870.83 and 56,507.34 is: 77,980.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,254.04 : 143,870.83 = 56,507.34 : x
  2. Step 2: Convert to fraction form
    104,254.04/143,870.83 = 56,507.34/x
  3. Step 3: Cross multiply
    104,254.04x = 143,870.83 × 56,507.34
  4. Step 4: Simplify right side
    104,254.04x = 8,129,757,906.89
  5. Step 5: Solve for x
    x = 8,129,757,906.89/104,254.04
  6. Step 6: Final answer
    x = 77,980.27

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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.