Home / 354,417.23-489,086.89-193,275.38

Finding the Fourth Proportional to 354,417.23, 489,086.89 and 193,275.38

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Solution

The fourth proportional to 354,417.23, 489,086.89 and 193,275.38 is: 266,715.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,417.23 : 489,086.89 = 193,275.38 : x
  2. Step 2: Convert to fraction form
    354,417.23/489,086.89 = 193,275.38/x
  3. Step 3: Cross multiply
    354,417.23x = 489,086.89 × 193,275.38
  4. Step 4: Simplify right side
    354,417.23x = 94,528,451,589.15
  5. Step 5: Solve for x
    x = 94,528,451,589.15/354,417.23
  6. Step 6: Final answer
    x = 266,715.17

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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.