Home / 238,938.06-358,206.21-159,810.78

Finding the Fourth Proportional to 238,938.06, 358,206.21 and 159,810.78

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Solution

The fourth proportional to 238,938.06, 358,206.21 and 159,810.78 is: 239,581.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,938.06 : 358,206.21 = 159,810.78 : x
  2. Step 2: Convert to fraction form
    238,938.06/358,206.21 = 159,810.78/x
  3. Step 3: Cross multiply
    238,938.06x = 358,206.21 × 159,810.78
  4. Step 4: Simplify right side
    238,938.06x = 57,245,213,820.94
  5. Step 5: Solve for x
    x = 57,245,213,820.94/238,938.06
  6. Step 6: Final answer
    x = 239,581.81

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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.