Home / 210,007.91-289,809.74-114,512.55

Finding the Fourth Proportional to 210,007.91, 289,809.74 and 114,512.55

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Solution

The fourth proportional to 210,007.91, 289,809.74 and 114,512.55 is: 158,026.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,007.91 : 289,809.74 = 114,512.55 : x
  2. Step 2: Convert to fraction form
    210,007.91/289,809.74 = 114,512.55/x
  3. Step 3: Cross multiply
    210,007.91x = 289,809.74 × 114,512.55
  4. Step 4: Simplify right side
    210,007.91x = 33,186,851,769.67
  5. Step 5: Solve for x
    x = 33,186,851,769.67/210,007.91
  6. Step 6: Final answer
    x = 158,026.68

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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.