Home / 190,981.56-285,070.47-176,907

Finding the Fourth Proportional to 190,981.56, 285,070.47 and 176,907

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Solution

The fourth proportional to 190,981.56, 285,070.47 and 176,907 is: 264,061.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,981.56 : 285,070.47 = 176,907 : x
  2. Step 2: Convert to fraction form
    190,981.56/285,070.47 = 176,907/x
  3. Step 3: Cross multiply
    190,981.56x = 285,070.47 × 176,907
  4. Step 4: Simplify right side
    190,981.56x = 50,430,961,636.29
  5. Step 5: Solve for x
    x = 50,430,961,636.29/190,981.56
  6. Step 6: Final answer
    x = 264,061.94

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.