Home / 415,913.80-623,868.67-163,015.60

Finding the Fourth Proportional to 415,913.80, 623,868.67 and 163,015.60

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Solution

The fourth proportional to 415,913.80, 623,868.67 and 163,015.60 is: 244,522.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,913.80 : 623,868.67 = 163,015.60 : x
  2. Step 2: Convert to fraction form
    415,913.80/623,868.67 = 163,015.60/x
  3. Step 3: Cross multiply
    415,913.80x = 623,868.67 × 163,015.60
  4. Step 4: Simplify right side
    415,913.80x = 101,700,325,561.25
  5. Step 5: Solve for x
    x = 101,700,325,561.25/415,913.80
  6. Step 6: Final answer
    x = 244,522.60

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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.