Home / 238,738.19-358,129.76-70,258.59

Finding the Fourth Proportional to 238,738.19, 358,129.76 and 70,258.59

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Solution

The fourth proportional to 238,738.19, 358,129.76 and 70,258.59 is: 105,394.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,738.19 : 358,129.76 = 70,258.59 : x
  2. Step 2: Convert to fraction form
    238,738.19/358,129.76 = 70,258.59/x
  3. Step 3: Cross multiply
    238,738.19x = 358,129.76 × 70,258.59
  4. Step 4: Simplify right side
    238,738.19x = 25,161,691,623.35
  5. Step 5: Solve for x
    x = 25,161,691,623.35/238,738.19
  6. Step 6: Final answer
    x = 105,394.50

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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.