Home / 286,840.04-430,120.56-173,105.06

Finding the Fourth Proportional to 286,840.04, 430,120.56 and 173,105.06

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Solution

The fourth proportional to 286,840.04, 430,120.56 and 173,105.06 is: 259,573.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,840.04 : 430,120.56 = 173,105.06 : x
  2. Step 2: Convert to fraction form
    286,840.04/430,120.56 = 173,105.06/x
  3. Step 3: Cross multiply
    286,840.04x = 430,120.56 × 173,105.06
  4. Step 4: Simplify right side
    286,840.04x = 74,456,045,346.03
  5. Step 5: Solve for x
    x = 74,456,045,346.03/286,840.04
  6. Step 6: Final answer
    x = 259,573.40

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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.