Home / 354,420.04-489,099.75-193,270.93

Finding the Fourth Proportional to 354,420.04, 489,099.75 and 193,270.93

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Solution

The fourth proportional to 354,420.04, 489,099.75 and 193,270.93 is: 266,713.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,420.04 : 489,099.75 = 193,270.93 : x
  2. Step 2: Convert to fraction form
    354,420.04/489,099.75 = 193,270.93/x
  3. Step 3: Cross multiply
    354,420.04x = 489,099.75 × 193,270.93
  4. Step 4: Simplify right side
    354,420.04x = 94,528,763,545.27
  5. Step 5: Solve for x
    x = 94,528,763,545.27/354,420.04
  6. Step 6: Final answer
    x = 266,713.94

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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.