Home / 164,663.66-227,119.06-139,403.82

Finding the Fourth Proportional to 164,663.66, 227,119.06 and 139,403.82

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Solution

The fourth proportional to 164,663.66, 227,119.06 and 139,403.82 is: 192,278.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,663.66 : 227,119.06 = 139,403.82 : x
  2. Step 2: Convert to fraction form
    164,663.66/227,119.06 = 139,403.82/x
  3. Step 3: Cross multiply
    164,663.66x = 227,119.06 × 139,403.82
  4. Step 4: Simplify right side
    164,663.66x = 31,661,264,558.81
  5. Step 5: Solve for x
    x = 31,661,264,558.81/164,663.66
  6. Step 6: Final answer
    x = 192,278.40

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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.