Home / 272,931.32-376,647.75-150,428.06

Finding the Fourth Proportional to 272,931.32, 376,647.75 and 150,428.06

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Solution

The fourth proportional to 272,931.32, 376,647.75 and 150,428.06 is: 207,592.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,931.32 : 376,647.75 = 150,428.06 : x
  2. Step 2: Convert to fraction form
    272,931.32/376,647.75 = 150,428.06/x
  3. Step 3: Cross multiply
    272,931.32x = 376,647.75 × 150,428.06
  4. Step 4: Simplify right side
    272,931.32x = 56,658,389,583.72
  5. Step 5: Solve for x
    x = 56,658,389,583.72/272,931.32
  6. Step 6: Final answer
    x = 207,592.12

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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.