Home / 341,981.96-515,307.23-281,018.12

Finding the Fourth Proportional to 341,981.96, 515,307.23 and 281,018.12

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Solution

The fourth proportional to 341,981.96, 515,307.23 and 281,018.12 is: 423,445.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,981.96 : 515,307.23 = 281,018.12 : x
  2. Step 2: Convert to fraction form
    341,981.96/515,307.23 = 281,018.12/x
  3. Step 3: Cross multiply
    341,981.96x = 515,307.23 × 281,018.12
  4. Step 4: Simplify right side
    341,981.96x = 144,810,668,997.01
  5. Step 5: Solve for x
    x = 144,810,668,997.01/341,981.96
  6. Step 6: Final answer
    x = 423,445.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.