Home / 286,011.10-394,597.56-163,415.52

Finding the Fourth Proportional to 286,011.10, 394,597.56 and 163,415.52

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Solution

The fourth proportional to 286,011.10, 394,597.56 and 163,415.52 is: 225,457.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,011.10 : 394,597.56 = 163,415.52 : x
  2. Step 2: Convert to fraction form
    286,011.10/394,597.56 = 163,415.52/x
  3. Step 3: Cross multiply
    286,011.10x = 394,597.56 × 163,415.52
  4. Step 4: Simplify right side
    286,011.10x = 64,483,365,458.13
  5. Step 5: Solve for x
    x = 64,483,365,458.13/286,011.10
  6. Step 6: Final answer
    x = 225,457.56

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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.