Home / 207,038.73-285,706.78-116,398.50

Finding the Fourth Proportional to 207,038.73, 285,706.78 and 116,398.50

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Solution

The fourth proportional to 207,038.73, 285,706.78 and 116,398.50 is: 160,626.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,038.73 : 285,706.78 = 116,398.50 : x
  2. Step 2: Convert to fraction form
    207,038.73/285,706.78 = 116,398.50/x
  3. Step 3: Cross multiply
    207,038.73x = 285,706.78 × 116,398.50
  4. Step 4: Simplify right side
    207,038.73x = 33,255,840,631.83
  5. Step 5: Solve for x
    x = 33,255,840,631.83/207,038.73
  6. Step 6: Final answer
    x = 160,626.18

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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.