Home / 210,116.32-289,960.10-114,622.98

Finding the Fourth Proportional to 210,116.32, 289,960.10 and 114,622.98

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Solution

The fourth proportional to 210,116.32, 289,960.10 and 114,622.98 is: 158,179.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,116.32 : 289,960.10 = 114,622.98 : x
  2. Step 2: Convert to fraction form
    210,116.32/289,960.10 = 114,622.98/x
  3. Step 3: Cross multiply
    210,116.32x = 289,960.10 × 114,622.98
  4. Step 4: Simplify right side
    210,116.32x = 33,236,090,743.10
  5. Step 5: Solve for x
    x = 33,236,090,743.10/210,116.32
  6. Step 6: Final answer
    x = 158,179.48

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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.