Home / 280,935.16-421,314.90-93,902.92

Finding the Fourth Proportional to 280,935.16, 421,314.90 and 93,902.92

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Solution

The fourth proportional to 280,935.16, 421,314.90 and 93,902.92 is: 140,825.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,935.16 : 421,314.90 = 93,902.92 : x
  2. Step 2: Convert to fraction form
    280,935.16/421,314.90 = 93,902.92/x
  3. Step 3: Cross multiply
    280,935.16x = 421,314.90 × 93,902.92
  4. Step 4: Simplify right side
    280,935.16x = 39,562,699,349.51
  5. Step 5: Solve for x
    x = 39,562,699,349.51/280,935.16
  6. Step 6: Final answer
    x = 140,825.02

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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.