Home / 289,545.40-434,318.10-184,828.60

Finding the Fourth Proportional to 289,545.40, 434,318.10 and 184,828.60

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Solution

The fourth proportional to 289,545.40, 434,318.10 and 184,828.60 is: 277,242.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,545.40 : 434,318.10 = 184,828.60 : x
  2. Step 2: Convert to fraction form
    289,545.40/434,318.10 = 184,828.60/x
  3. Step 3: Cross multiply
    289,545.40x = 434,318.10 × 184,828.60
  4. Step 4: Simplify right side
    289,545.40x = 80,274,406,377.66
  5. Step 5: Solve for x
    x = 80,274,406,377.66/289,545.40
  6. Step 6: Final answer
    x = 277,242.90

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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.