Home / 163,935.80-245,903.70-107,948.60

Finding the Fourth Proportional to 163,935.80, 245,903.70 and 107,948.60

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Solution

The fourth proportional to 163,935.80, 245,903.70 and 107,948.60 is: 161,922.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,935.80 : 245,903.70 = 107,948.60 : x
  2. Step 2: Convert to fraction form
    163,935.80/245,903.70 = 107,948.60/x
  3. Step 3: Cross multiply
    163,935.80x = 245,903.70 × 107,948.60
  4. Step 4: Simplify right side
    163,935.80x = 26,544,960,149.82
  5. Step 5: Solve for x
    x = 26,544,960,149.82/163,935.80
  6. Step 6: Final answer
    x = 161,922.90

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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.