Home / 189,646.13-284,485.59-49,404.75

Finding the Fourth Proportional to 189,646.13, 284,485.59 and 49,404.75

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Solution

The fourth proportional to 189,646.13, 284,485.59 and 49,404.75 is: 74,111.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,646.13 : 284,485.59 = 49,404.75 : x
  2. Step 2: Convert to fraction form
    189,646.13/284,485.59 = 49,404.75/x
  3. Step 3: Cross multiply
    189,646.13x = 284,485.59 × 49,404.75
  4. Step 4: Simplify right side
    189,646.13x = 14,054,939,452.55
  5. Step 5: Solve for x
    x = 14,054,939,452.55/189,646.13
  6. Step 6: Final answer
    x = 74,111.40

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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.