Home / 278,883.60-384,862.35-151,559.19

Finding the Fourth Proportional to 278,883.60, 384,862.35 and 151,559.19

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Solution

The fourth proportional to 278,883.60, 384,862.35 and 151,559.19 is: 209,153.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,883.60 : 384,862.35 = 151,559.19 : x
  2. Step 2: Convert to fraction form
    278,883.60/384,862.35 = 151,559.19/x
  3. Step 3: Cross multiply
    278,883.60x = 384,862.35 × 151,559.19
  4. Step 4: Simplify right side
    278,883.60x = 58,329,426,027.50
  5. Step 5: Solve for x
    x = 58,329,426,027.50/278,883.60
  6. Step 6: Final answer
    x = 209,153.30

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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.