Home / 203,440.95-280,854.27-158,017.23

Finding the Fourth Proportional to 203,440.95, 280,854.27 and 158,017.23

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Solution

The fourth proportional to 203,440.95, 280,854.27 and 158,017.23 is: 218,145.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,440.95 : 280,854.27 = 158,017.23 : x
  2. Step 2: Convert to fraction form
    203,440.95/280,854.27 = 158,017.23/x
  3. Step 3: Cross multiply
    203,440.95x = 280,854.27 × 158,017.23
  4. Step 4: Simplify right side
    203,440.95x = 44,379,813,779.07
  5. Step 5: Solve for x
    x = 44,379,813,779.07/203,440.95
  6. Step 6: Final answer
    x = 218,145.92

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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.