Home / 210,180.76-290,050.20-114,689.56

Finding the Fourth Proportional to 210,180.76, 290,050.20 and 114,689.56

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Solution

The fourth proportional to 210,180.76, 290,050.20 and 114,689.56 is: 158,272.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,180.76 : 290,050.20 = 114,689.56 : x
  2. Step 2: Convert to fraction form
    210,180.76/290,050.20 = 114,689.56/x
  3. Step 3: Cross multiply
    210,180.76x = 290,050.20 × 114,689.56
  4. Step 4: Simplify right side
    210,180.76x = 33,265,729,815.91
  5. Step 5: Solve for x
    x = 33,265,729,815.91/210,180.76
  6. Step 6: Final answer
    x = 158,272.00

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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.