Home / 354,357.58-531,445.64-104,981.26

Finding the Fourth Proportional to 354,357.58, 531,445.64 and 104,981.26

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Solution

The fourth proportional to 354,357.58, 531,445.64 and 104,981.26 is: 157,445.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,357.58 : 531,445.64 = 104,981.26 : x
  2. Step 2: Convert to fraction form
    354,357.58/531,445.64 = 104,981.26/x
  3. Step 3: Cross multiply
    354,357.58x = 531,445.64 × 104,981.26
  4. Step 4: Simplify right side
    354,357.58x = 55,791,832,908.71
  5. Step 5: Solve for x
    x = 55,791,832,908.71/354,357.58
  6. Step 6: Final answer
    x = 157,445.01

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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.