Home / 183,900.18-253,775.16-103,331.10

Finding the Fourth Proportional to 183,900.18, 253,775.16 and 103,331.10

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Solution

The fourth proportional to 183,900.18, 253,775.16 and 103,331.10 is: 142,592.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,900.18 : 253,775.16 = 103,331.10 : x
  2. Step 2: Convert to fraction form
    183,900.18/253,775.16 = 103,331.10/x
  3. Step 3: Cross multiply
    183,900.18x = 253,775.16 × 103,331.10
  4. Step 4: Simplify right side
    183,900.18x = 26,222,866,435.48
  5. Step 5: Solve for x
    x = 26,222,866,435.48/183,900.18
  6. Step 6: Final answer
    x = 142,592.94

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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.