Home / 112,688.26-169,059.06-36,786.40

Finding the Fourth Proportional to 112,688.26, 169,059.06 and 36,786.40

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Solution

The fourth proportional to 112,688.26, 169,059.06 and 36,786.40 is: 55,188.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,688.26 : 169,059.06 = 36,786.40 : x
  2. Step 2: Convert to fraction form
    112,688.26/169,059.06 = 36,786.40/x
  3. Step 3: Cross multiply
    112,688.26x = 169,059.06 × 36,786.40
  4. Step 4: Simplify right side
    112,688.26x = 6,219,074,204.78
  5. Step 5: Solve for x
    x = 6,219,074,204.78/112,688.26
  6. Step 6: Final answer
    x = 55,188.31

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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.