Home / 258,501.78-356,302.53-177,792.66

Finding the Fourth Proportional to 258,501.78, 356,302.53 and 177,792.66

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Solution

The fourth proportional to 258,501.78, 356,302.53 and 177,792.66 is: 245,058.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,501.78 : 356,302.53 = 177,792.66 : x
  2. Step 2: Convert to fraction form
    258,501.78/356,302.53 = 177,792.66/x
  3. Step 3: Cross multiply
    258,501.78x = 356,302.53 × 177,792.66
  4. Step 4: Simplify right side
    258,501.78x = 63,347,974,573.43
  5. Step 5: Solve for x
    x = 63,347,974,573.43/258,501.78
  6. Step 6: Final answer
    x = 245,058.18

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1.5x scale

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.