Home / 351,823.30-527,568.63-127,140.10

Finding the Fourth Proportional to 351,823.30, 527,568.63 and 127,140.10

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Solution

The fourth proportional to 351,823.30, 527,568.63 and 127,140.10 is: 190,650.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,823.30 : 527,568.63 = 127,140.10 : x
  2. Step 2: Convert to fraction form
    351,823.30/527,568.63 = 127,140.10/x
  3. Step 3: Cross multiply
    351,823.30x = 527,568.63 × 127,140.10
  4. Step 4: Simplify right side
    351,823.30x = 67,075,128,375.06
  5. Step 5: Solve for x
    x = 67,075,128,375.06/351,823.30
  6. Step 6: Final answer
    x = 190,650.05

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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.