Home / 209,346.08-288,903.04-113,858.40

Finding the Fourth Proportional to 209,346.08, 288,903.04 and 113,858.40

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Solution

The fourth proportional to 209,346.08, 288,903.04 and 113,858.40 is: 157,127.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,346.08 : 288,903.04 = 113,858.40 : x
  2. Step 2: Convert to fraction form
    209,346.08/288,903.04 = 113,858.40/x
  3. Step 3: Cross multiply
    209,346.08x = 288,903.04 × 113,858.40
  4. Step 4: Simplify right side
    209,346.08x = 32,894,037,889.54
  5. Step 5: Solve for x
    x = 32,894,037,889.54/209,346.08
  6. Step 6: Final answer
    x = 157,127.56

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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.