Home / 317,262.60-437,858.98-189,938.12

Finding the Fourth Proportional to 317,262.60, 437,858.98 and 189,938.12

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Solution

The fourth proportional to 317,262.60, 437,858.98 and 189,938.12 is: 262,136.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,262.60 : 437,858.98 = 189,938.12 : x
  2. Step 2: Convert to fraction form
    317,262.60/437,858.98 = 189,938.12/x
  3. Step 3: Cross multiply
    317,262.60x = 437,858.98 × 189,938.12
  4. Step 4: Simplify right side
    317,262.60x = 83,166,111,486.32
  5. Step 5: Solve for x
    x = 83,166,111,486.32/317,262.60
  6. Step 6: Final answer
    x = 262,136.51

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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.