Home / 314,965.15-434,660.63-192,477.36

Finding the Fourth Proportional to 314,965.15, 434,660.63 and 192,477.36

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Solution

The fourth proportional to 314,965.15, 434,660.63 and 192,477.36 is: 265,624.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,965.15 : 434,660.63 = 192,477.36 : x
  2. Step 2: Convert to fraction form
    314,965.15/434,660.63 = 192,477.36/x
  3. Step 3: Cross multiply
    314,965.15x = 434,660.63 × 192,477.36
  4. Step 4: Simplify right side
    314,965.15x = 83,662,329,471.69
  5. Step 5: Solve for x
    x = 83,662,329,471.69/314,965.15
  6. Step 6: Final answer
    x = 265,624.08

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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.