Home / 248,966.74-373,258.69-128,894.97

Finding the Fourth Proportional to 248,966.74, 373,258.69 and 128,894.97

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Solution

The fourth proportional to 248,966.74, 373,258.69 and 128,894.97 is: 193,243.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,966.74 : 373,258.69 = 128,894.97 : x
  2. Step 2: Convert to fraction form
    248,966.74/373,258.69 = 128,894.97/x
  3. Step 3: Cross multiply
    248,966.74x = 373,258.69 × 128,894.97
  4. Step 4: Simplify right side
    248,966.74x = 48,111,167,649.79
  5. Step 5: Solve for x
    x = 48,111,167,649.79/248,966.74
  6. Step 6: Final answer
    x = 193,243.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.