Home / 314,869.38-434,513.28-171,628.17

Finding the Fourth Proportional to 314,869.38, 434,513.28 and 171,628.17

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Solution

The fourth proportional to 314,869.38, 434,513.28 and 171,628.17 is: 236,843.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,869.38 : 434,513.28 = 171,628.17 : x
  2. Step 2: Convert to fraction form
    314,869.38/434,513.28 = 171,628.17/x
  3. Step 3: Cross multiply
    314,869.38x = 434,513.28 × 171,628.17
  4. Step 4: Simplify right side
    314,869.38x = 74,574,719,087.10
  5. Step 5: Solve for x
    x = 74,574,719,087.10/314,869.38
  6. Step 6: Final answer
    x = 236,843.35

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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.