Home / 314,880.41-434,595.62-218,346.23

Finding the Fourth Proportional to 314,880.41, 434,595.62 and 218,346.23

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Solution

The fourth proportional to 314,880.41, 434,595.62 and 218,346.23 is: 301,359.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,880.41 : 434,595.62 = 218,346.23 : x
  2. Step 2: Convert to fraction form
    314,880.41/434,595.62 = 218,346.23/x
  3. Step 3: Cross multiply
    314,880.41x = 434,595.62 × 218,346.23
  4. Step 4: Simplify right side
    314,880.41x = 94,892,315,201.51
  5. Step 5: Solve for x
    x = 94,892,315,201.51/314,880.41
  6. Step 6: Final answer
    x = 301,359.86

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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.