Home / 278,033.23-383,702.41-157,185.77

Finding the Fourth Proportional to 278,033.23, 383,702.41 and 157,185.77

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Solution

The fourth proportional to 278,033.23, 383,702.41 and 157,185.77 is: 216,925.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,033.23 : 383,702.41 = 157,185.77 : x
  2. Step 2: Convert to fraction form
    278,033.23/383,702.41 = 157,185.77/x
  3. Step 3: Cross multiply
    278,033.23x = 383,702.41 × 157,185.77
  4. Step 4: Simplify right side
    278,033.23x = 60,312,556,062.26
  5. Step 5: Solve for x
    x = 60,312,556,062.26/278,033.23
  6. Step 6: Final answer
    x = 216,925.71

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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.