Home / 318,370.32-439,362.54-175,141.26

Finding the Fourth Proportional to 318,370.32, 439,362.54 and 175,141.26

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Solution

The fourth proportional to 318,370.32, 439,362.54 and 175,141.26 is: 241,701.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,370.32 : 439,362.54 = 175,141.26 : x
  2. Step 2: Convert to fraction form
    318,370.32/439,362.54 = 175,141.26/x
  3. Step 3: Cross multiply
    318,370.32x = 439,362.54 × 175,141.26
  4. Step 4: Simplify right side
    318,370.32x = 76,950,508,852.40
  5. Step 5: Solve for x
    x = 76,950,508,852.40/318,370.32
  6. Step 6: Final answer
    x = 241,701.26

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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.