Home / 357,637.35-493,334.22-223,268.07

Finding the Fourth Proportional to 357,637.35, 493,334.22 and 223,268.07

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Solution

The fourth proportional to 357,637.35, 493,334.22 and 223,268.07 is: 307,981.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,637.35 : 493,334.22 = 223,268.07 : x
  2. Step 2: Convert to fraction form
    357,637.35/493,334.22 = 223,268.07/x
  3. Step 3: Cross multiply
    357,637.35x = 493,334.22 × 223,268.07
  4. Step 4: Simplify right side
    357,637.35x = 110,145,779,164.36
  5. Step 5: Solve for x
    x = 110,145,779,164.36/357,637.35
  6. Step 6: Final answer
    x = 307,981.76

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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.