Home / 250,211.52-375,355.62-84,038.40

Finding the Fourth Proportional to 250,211.52, 375,355.62 and 84,038.40

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Solution

The fourth proportional to 250,211.52, 375,355.62 and 84,038.40 is: 126,070.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,211.52 : 375,355.62 = 84,038.40 : x
  2. Step 2: Convert to fraction form
    250,211.52/375,355.62 = 84,038.40/x
  3. Step 3: Cross multiply
    250,211.52x = 375,355.62 × 84,038.40
  4. Step 4: Simplify right side
    250,211.52x = 31,544,285,735.81
  5. Step 5: Solve for x
    x = 31,544,285,735.81/250,211.52
  6. Step 6: Final answer
    x = 126,070.48

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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.