Home / 354,519.02-489,237.78-193,377.52

Finding the Fourth Proportional to 354,519.02, 489,237.78 and 193,377.52

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Solution

The fourth proportional to 354,519.02, 489,237.78 and 193,377.52 is: 266,861.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,519.02 : 489,237.78 = 193,377.52 : x
  2. Step 2: Convert to fraction form
    354,519.02/489,237.78 = 193,377.52/x
  3. Step 3: Cross multiply
    354,519.02x = 489,237.78 × 193,377.52
  4. Step 4: Simplify right side
    354,519.02x = 94,607,588,586.71
  5. Step 5: Solve for x
    x = 94,607,588,586.71/354,519.02
  6. Step 6: Final answer
    x = 266,861.81

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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.