Home / 290,840.07-436,256.84-113,471.63

Finding the Fourth Proportional to 290,840.07, 436,256.84 and 113,471.63

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Solution

The fourth proportional to 290,840.07, 436,256.84 and 113,471.63 is: 170,206.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,840.07 : 436,256.84 = 113,471.63 : x
  2. Step 2: Convert to fraction form
    290,840.07/436,256.84 = 113,471.63/x
  3. Step 3: Cross multiply
    290,840.07x = 436,256.84 × 113,471.63
  4. Step 4: Simplify right side
    290,840.07x = 49,502,776,287.47
  5. Step 5: Solve for x
    x = 49,502,776,287.47/290,840.07
  6. Step 6: Final answer
    x = 170,206.18

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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.