Home / 230,205.12-317,683.64-133,427.64

Finding the Fourth Proportional to 230,205.12, 317,683.64 and 133,427.64

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Solution

The fourth proportional to 230,205.12, 317,683.64 and 133,427.64 is: 184,130.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,205.12 : 317,683.64 = 133,427.64 : x
  2. Step 2: Convert to fraction form
    230,205.12/317,683.64 = 133,427.64/x
  3. Step 3: Cross multiply
    230,205.12x = 317,683.64 × 133,427.64
  4. Step 4: Simplify right side
    230,205.12x = 42,387,777,684.67
  5. Step 5: Solve for x
    x = 42,387,777,684.67/230,205.12
  6. Step 6: Final answer
    x = 184,130.47

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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.