Home / 187,730.15-281,595.02-75,410.37

Finding the Fourth Proportional to 187,730.15, 281,595.02 and 75,410.37

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Solution

The fourth proportional to 187,730.15, 281,595.02 and 75,410.37 is: 113,115.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,730.15 : 281,595.02 = 75,410.37 : x
  2. Step 2: Convert to fraction form
    187,730.15/281,595.02 = 75,410.37/x
  3. Step 3: Cross multiply
    187,730.15x = 281,595.02 × 75,410.37
  4. Step 4: Simplify right side
    187,730.15x = 21,235,184,271.31
  5. Step 5: Solve for x
    x = 21,235,184,271.31/187,730.15
  6. Step 6: Final answer
    x = 113,115.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.