Home / 289,364.55-433,901.03-171,072.15

Finding the Fourth Proportional to 289,364.55, 433,901.03 and 171,072.15

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Solution

The fourth proportional to 289,364.55, 433,901.03 and 171,072.15 is: 256,522.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,364.55 : 433,901.03 = 171,072.15 : x
  2. Step 2: Convert to fraction form
    289,364.55/433,901.03 = 171,072.15/x
  3. Step 3: Cross multiply
    289,364.55x = 433,901.03 × 171,072.15
  4. Step 4: Simplify right side
    289,364.55x = 74,228,381,233.95
  5. Step 5: Solve for x
    x = 74,228,381,233.95/289,364.55
  6. Step 6: Final answer
    x = 256,522.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.