Home / 306,725.10-460,087.65-156,915.60

Finding the Fourth Proportional to 306,725.10, 460,087.65 and 156,915.60

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Solution

The fourth proportional to 306,725.10, 460,087.65 and 156,915.60 is: 235,373.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,725.10 : 460,087.65 = 156,915.60 : x
  2. Step 2: Convert to fraction form
    306,725.10/460,087.65 = 156,915.60/x
  3. Step 3: Cross multiply
    306,725.10x = 460,087.65 × 156,915.60
  4. Step 4: Simplify right side
    306,725.10x = 72,194,929,652.34
  5. Step 5: Solve for x
    x = 72,194,929,652.34/306,725.10
  6. Step 6: Final answer
    x = 235,373.40

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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.