Home / 209,127.32-288,597.53-113,634.02

Finding the Fourth Proportional to 209,127.32, 288,597.53 and 113,634.02

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Solution

The fourth proportional to 209,127.32, 288,597.53 and 113,634.02 is: 156,815.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,127.32 : 288,597.53 = 113,634.02 : x
  2. Step 2: Convert to fraction form
    209,127.32/288,597.53 = 113,634.02/x
  3. Step 3: Cross multiply
    209,127.32x = 288,597.53 × 113,634.02
  4. Step 4: Simplify right side
    209,127.32x = 32,794,495,768.90
  5. Step 5: Solve for x
    x = 32,794,495,768.90/209,127.32
  6. Step 6: Final answer
    x = 156,815.93

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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.