Home / 209,017.01-288,444.30-113,525.30

Finding the Fourth Proportional to 209,017.01, 288,444.30 and 113,525.30

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Solution

The fourth proportional to 209,017.01, 288,444.30 and 113,525.30 is: 156,665.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,017.01 : 288,444.30 = 113,525.30 : x
  2. Step 2: Convert to fraction form
    209,017.01/288,444.30 = 113,525.30/x
  3. Step 3: Cross multiply
    209,017.01x = 288,444.30 × 113,525.30
  4. Step 4: Simplify right side
    209,017.01x = 32,745,725,690.79
  5. Step 5: Solve for x
    x = 32,745,725,690.79/209,017.01
  6. Step 6: Final answer
    x = 156,665.36

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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.