Home / 282,928.30-424,579.40-133,211.40

Finding the Fourth Proportional to 282,928.30, 424,579.40 and 133,211.40

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Solution

The fourth proportional to 282,928.30, 424,579.40 and 133,211.40 is: 199,905.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,928.30 : 424,579.40 = 133,211.40 : x
  2. Step 2: Convert to fraction form
    282,928.30/424,579.40 = 133,211.40/x
  3. Step 3: Cross multiply
    282,928.30x = 424,579.40 × 133,211.40
  4. Step 4: Simplify right side
    282,928.30x = 56,558,816,285.16
  5. Step 5: Solve for x
    x = 56,558,816,285.16/282,928.30
  6. Step 6: Final answer
    x = 199,905.12

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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.