Home / 268,902.03-371,070.71-148,019.70

Finding the Fourth Proportional to 268,902.03, 371,070.71 and 148,019.70

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Solution

The fourth proportional to 268,902.03, 371,070.71 and 148,019.70 is: 204,259.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,902.03 : 371,070.71 = 148,019.70 : x
  2. Step 2: Convert to fraction form
    268,902.03/371,070.71 = 148,019.70/x
  3. Step 3: Cross multiply
    268,902.03x = 371,070.71 × 148,019.70
  4. Step 4: Simplify right side
    268,902.03x = 54,925,774,432.89
  5. Step 5: Solve for x
    x = 54,925,774,432.89/268,902.03
  6. Step 6: Final answer
    x = 204,259.43

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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.