Home / 314,553.41-434,088.64-171,313.34

Finding the Fourth Proportional to 314,553.41, 434,088.64 and 171,313.34

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Solution

The fourth proportional to 314,553.41, 434,088.64 and 171,313.34 is: 236,415.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,553.41 : 434,088.64 = 171,313.34 : x
  2. Step 2: Convert to fraction form
    314,553.41/434,088.64 = 171,313.34/x
  3. Step 3: Cross multiply
    314,553.41x = 434,088.64 × 171,313.34
  4. Step 4: Simplify right side
    314,553.41x = 74,365,172,818.16
  5. Step 5: Solve for x
    x = 74,365,172,818.16/314,553.41
  6. Step 6: Final answer
    x = 236,415.09

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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.