Home / 227,636.16-314,125.20-127,040.64

Finding the Fourth Proportional to 227,636.16, 314,125.20 and 127,040.64

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Solution

The fourth proportional to 227,636.16, 314,125.20 and 127,040.64 is: 175,309.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,636.16 : 314,125.20 = 127,040.64 : x
  2. Step 2: Convert to fraction form
    227,636.16/314,125.20 = 127,040.64/x
  3. Step 3: Cross multiply
    227,636.16x = 314,125.20 × 127,040.64
  4. Step 4: Simplify right side
    227,636.16x = 39,906,666,448.13
  5. Step 5: Solve for x
    x = 39,906,666,448.13/227,636.16
  6. Step 6: Final answer
    x = 175,309.00

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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.