Home / 286,957.08-395,099.37-243,845.64

Finding the Fourth Proportional to 286,957.08, 395,099.37 and 243,845.64

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Solution

The fourth proportional to 286,957.08, 395,099.37 and 243,845.64 is: 335,741.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,957.08 : 395,099.37 = 243,845.64 : x
  2. Step 2: Convert to fraction form
    286,957.08/395,099.37 = 243,845.64/x
  3. Step 3: Cross multiply
    286,957.08x = 395,099.37 × 243,845.64
  4. Step 4: Simplify right side
    286,957.08x = 96,343,258,741.25
  5. Step 5: Solve for x
    x = 96,343,258,741.25/286,957.08
  6. Step 6: Final answer
    x = 335,741.01

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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.