Home / 227,645.38-314,155.64-125,670.60

Finding the Fourth Proportional to 227,645.38, 314,155.64 and 125,670.60

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Solution

The fourth proportional to 227,645.38, 314,155.64 and 125,670.60 is: 173,428.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,645.38 : 314,155.64 = 125,670.60 : x
  2. Step 2: Convert to fraction form
    227,645.38/314,155.64 = 125,670.60/x
  3. Step 3: Cross multiply
    227,645.38x = 314,155.64 × 125,670.60
  4. Step 4: Simplify right side
    227,645.38x = 39,480,127,772.18
  5. Step 5: Solve for x
    x = 39,480,127,772.18/227,645.38
  6. Step 6: Final answer
    x = 173,428.20

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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.