Home / 205,715.24-284,010.90-134,219.24

Finding the Fourth Proportional to 205,715.24, 284,010.90 and 134,219.24

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Solution

The fourth proportional to 205,715.24, 284,010.90 and 134,219.24 is: 185,303.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,715.24 : 284,010.90 = 134,219.24 : x
  2. Step 2: Convert to fraction form
    205,715.24/284,010.90 = 134,219.24/x
  3. Step 3: Cross multiply
    205,715.24x = 284,010.90 × 134,219.24
  4. Step 4: Simplify right side
    205,715.24x = 38,119,727,149.72
  5. Step 5: Solve for x
    x = 38,119,727,149.72/205,715.24
  6. Step 6: Final answer
    x = 185,303.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.