Home / 104,402.25-144,075.20-56,655.60

Finding the Fourth Proportional to 104,402.25, 144,075.20 and 56,655.60

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Solution

The fourth proportional to 104,402.25, 144,075.20 and 56,655.60 is: 78,184.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,402.25 : 144,075.20 = 56,655.60 : x
  2. Step 2: Convert to fraction form
    104,402.25/144,075.20 = 56,655.60/x
  3. Step 3: Cross multiply
    104,402.25x = 144,075.20 × 56,655.60
  4. Step 4: Simplify right side
    104,402.25x = 8,162,667,346.10
  5. Step 5: Solve for x
    x = 8,162,667,346.10/104,402.25
  6. Step 6: Final answer
    x = 78,184.78

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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.