Home / 189,688.19-284,525.69-47,534.72

Finding the Fourth Proportional to 189,688.19, 284,525.69 and 47,534.72

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Solution

The fourth proportional to 189,688.19, 284,525.69 and 47,534.72 is: 71,300.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,688.19 : 284,525.69 = 47,534.72 : x
  2. Step 2: Convert to fraction form
    189,688.19/284,525.69 = 47,534.72/x
  3. Step 3: Cross multiply
    189,688.19x = 284,525.69 × 47,534.72
  4. Step 4: Simplify right side
    189,688.19x = 13,524,847,346.65
  5. Step 5: Solve for x
    x = 13,524,847,346.65/189,688.19
  6. Step 6: Final answer
    x = 71,300.42

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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.