Home / 350,904.10-526,538.40-163,915.60

Finding the Fourth Proportional to 350,904.10, 526,538.40 and 163,915.60

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Solution

The fourth proportional to 350,904.10, 526,538.40 and 163,915.60 is: 245,958.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,904.10 : 526,538.40 = 163,915.60 : x
  2. Step 2: Convert to fraction form
    350,904.10/526,538.40 = 163,915.60/x
  3. Step 3: Cross multiply
    350,904.10x = 526,538.40 × 163,915.60
  4. Step 4: Simplify right side
    350,904.10x = 86,307,857,759.04
  5. Step 5: Solve for x
    x = 86,307,857,759.04/350,904.10
  6. Step 6: Final answer
    x = 245,958.53

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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.