Home / 291,014.74-436,598.07-91,341.46

Finding the Fourth Proportional to 291,014.74, 436,598.07 and 91,341.46

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Solution

The fourth proportional to 291,014.74, 436,598.07 and 91,341.46 is: 137,036.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,014.74 : 436,598.07 = 91,341.46 : x
  2. Step 2: Convert to fraction form
    291,014.74/436,598.07 = 91,341.46/x
  3. Step 3: Cross multiply
    291,014.74x = 436,598.07 × 91,341.46
  4. Step 4: Simplify right side
    291,014.74x = 39,879,505,146.98
  5. Step 5: Solve for x
    x = 39,879,505,146.98/291,014.74
  6. Step 6: Final answer
    x = 137,036.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.