Home / 189,232.49-284,045.57-139,368.89

Finding the Fourth Proportional to 189,232.49, 284,045.57 and 139,368.89

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Solution

The fourth proportional to 189,232.49, 284,045.57 and 139,368.89 is: 209,198.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,232.49 : 284,045.57 = 139,368.89 : x
  2. Step 2: Convert to fraction form
    189,232.49/284,045.57 = 139,368.89/x
  3. Step 3: Cross multiply
    189,232.49x = 284,045.57 × 139,368.89
  4. Step 4: Simplify right side
    189,232.49x = 39,587,115,800.32
  5. Step 5: Solve for x
    x = 39,587,115,800.32/189,232.49
  6. Step 6: Final answer
    x = 209,198.30

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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.