Home / 189,618.10-284,510.12-89,849.50

Finding the Fourth Proportional to 189,618.10, 284,510.12 and 89,849.50

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Solution

The fourth proportional to 189,618.10, 284,510.12 and 89,849.50 is: 134,813.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,618.10 : 284,510.12 = 89,849.50 : x
  2. Step 2: Convert to fraction form
    189,618.10/284,510.12 = 89,849.50/x
  3. Step 3: Cross multiply
    189,618.10x = 284,510.12 × 89,849.50
  4. Step 4: Simplify right side
    189,618.10x = 25,563,092,026.94
  5. Step 5: Solve for x
    x = 25,563,092,026.94/189,618.10
  6. Step 6: Final answer
    x = 134,813.56

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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.