Home / 163,607.37-245,365.70-103,596.81

Finding the Fourth Proportional to 163,607.37, 245,365.70 and 103,596.81

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Solution

The fourth proportional to 163,607.37, 245,365.70 and 103,596.81 is: 155,366.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,607.37 : 245,365.70 = 103,596.81 : x
  2. Step 2: Convert to fraction form
    163,607.37/245,365.70 = 103,596.81/x
  3. Step 3: Cross multiply
    163,607.37x = 245,365.70 × 103,596.81
  4. Step 4: Simplify right side
    163,607.37x = 25,419,103,285.43
  5. Step 5: Solve for x
    x = 25,419,103,285.43/163,607.37
  6. Step 6: Final answer
    x = 155,366.49

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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.