Home / 314,795.55-434,418.18-171,555.71

Finding the Fourth Proportional to 314,795.55, 434,418.18 and 171,555.71

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Solution

The fourth proportional to 314,795.55, 434,418.18 and 171,555.71 is: 236,747.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,795.55 : 434,418.18 = 171,555.71 : x
  2. Step 2: Convert to fraction form
    314,795.55/434,418.18 = 171,555.71/x
  3. Step 3: Cross multiply
    314,795.55x = 434,418.18 × 171,555.71
  4. Step 4: Simplify right side
    314,795.55x = 74,526,917,134.72
  5. Step 5: Solve for x
    x = 74,526,917,134.72/314,795.55
  6. Step 6: Final answer
    x = 236,747.05

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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.