Home / 209,563.47-289,197.54-114,070.82

Finding the Fourth Proportional to 209,563.47, 289,197.54 and 114,070.82

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Solution

The fourth proportional to 209,563.47, 289,197.54 and 114,070.82 is: 157,417.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,563.47 : 289,197.54 = 114,070.82 : x
  2. Step 2: Convert to fraction form
    209,563.47/289,197.54 = 114,070.82/x
  3. Step 3: Cross multiply
    209,563.47x = 289,197.54 × 114,070.82
  4. Step 4: Simplify right side
    209,563.47x = 32,988,999,083.80
  5. Step 5: Solve for x
    x = 32,988,999,083.80/209,563.47
  6. Step 6: Final answer
    x = 157,417.70

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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.