Home / 268,902.07-371,070.79-148,019.76

Finding the Fourth Proportional to 268,902.07, 371,070.79 and 148,019.76

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Solution

The fourth proportional to 268,902.07, 371,070.79 and 148,019.76 is: 204,259.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,902.07 : 371,070.79 = 148,019.76 : x
  2. Step 2: Convert to fraction form
    268,902.07/371,070.79 = 148,019.76/x
  3. Step 3: Cross multiply
    268,902.07x = 371,070.79 × 148,019.76
  4. Step 4: Simplify right side
    268,902.07x = 54,925,808,908.76
  5. Step 5: Solve for x
    x = 54,925,808,908.76/268,902.07
  6. Step 6: Final answer
    x = 204,259.53

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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.