Home / 357,897.12-493,907.46-196,756.23

Finding the Fourth Proportional to 357,897.12, 493,907.46 and 196,756.23

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Solution

The fourth proportional to 357,897.12, 493,907.46 and 196,756.23 is: 271,528.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,897.12 : 493,907.46 = 196,756.23 : x
  2. Step 2: Convert to fraction form
    357,897.12/493,907.46 = 196,756.23/x
  3. Step 3: Cross multiply
    357,897.12x = 493,907.46 × 196,756.23
  4. Step 4: Simplify right side
    357,897.12x = 97,179,366,345.16
  5. Step 5: Solve for x
    x = 97,179,366,345.16/357,897.12
  6. Step 6: Final answer
    x = 271,528.78

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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.