Home / 278,826.41-384,783.95-151,504.13

Finding the Fourth Proportional to 278,826.41, 384,783.95 and 151,504.13

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Solution

The fourth proportional to 278,826.41, 384,783.95 and 151,504.13 is: 209,077.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,826.41 : 384,783.95 = 151,504.13 : x
  2. Step 2: Convert to fraction form
    278,826.41/384,783.95 = 151,504.13/x
  3. Step 3: Cross multiply
    278,826.41x = 384,783.95 × 151,504.13
  4. Step 4: Simplify right side
    278,826.41x = 58,296,357,582.71
  5. Step 5: Solve for x
    x = 58,296,357,582.71/278,826.41
  6. Step 6: Final answer
    x = 209,077.60

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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.