Home / 282,345.87-423,258.90-122,321.26

Finding the Fourth Proportional to 282,345.87, 423,258.90 and 122,321.26

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Solution

The fourth proportional to 282,345.87, 423,258.90 and 122,321.26 is: 183,369.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,345.87 : 423,258.90 = 122,321.26 : x
  2. Step 2: Convert to fraction form
    282,345.87/423,258.90 = 122,321.26/x
  3. Step 3: Cross multiply
    282,345.87x = 423,258.90 × 122,321.26
  4. Step 4: Simplify right side
    282,345.87x = 51,773,561,954.21
  5. Step 5: Solve for x
    x = 51,773,561,954.21/282,345.87
  6. Step 6: Final answer
    x = 183,369.29

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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.