Home / 278,478.60-384,307.41-151,153.92

Finding the Fourth Proportional to 278,478.60, 384,307.41 and 151,153.92

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Solution

The fourth proportional to 278,478.60, 384,307.41 and 151,153.92 is: 208,596.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,478.60 : 384,307.41 = 151,153.92 : x
  2. Step 2: Convert to fraction form
    278,478.60/384,307.41 = 151,153.92/x
  3. Step 3: Cross multiply
    278,478.60x = 384,307.41 × 151,153.92
  4. Step 4: Simplify right side
    278,478.60x = 58,089,571,506.55
  5. Step 5: Solve for x
    x = 58,089,571,506.55/278,478.60
  6. Step 6: Final answer
    x = 208,596.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.