Home / 187,326.48-258,541.08-139,247.73

Finding the Fourth Proportional to 187,326.48, 258,541.08 and 139,247.73

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Solution

The fourth proportional to 187,326.48, 258,541.08 and 139,247.73 is: 192,184.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,326.48 : 258,541.08 = 139,247.73 : x
  2. Step 2: Convert to fraction form
    187,326.48/258,541.08 = 139,247.73/x
  3. Step 3: Cross multiply
    187,326.48x = 258,541.08 × 139,247.73
  4. Step 4: Simplify right side
    187,326.48x = 36,001,258,501.75
  5. Step 5: Solve for x
    x = 36,001,258,501.75/187,326.48
  6. Step 6: Final answer
    x = 192,184.57

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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.