Home / 314,568.30-434,077.57-176,736.43

Finding the Fourth Proportional to 314,568.30, 434,077.57 and 176,736.43

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Solution

The fourth proportional to 314,568.30, 434,077.57 and 176,736.43 is: 243,881.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,568.30 : 434,077.57 = 176,736.43 : x
  2. Step 2: Convert to fraction form
    314,568.30/434,077.57 = 176,736.43/x
  3. Step 3: Cross multiply
    314,568.30x = 434,077.57 × 176,736.43
  4. Step 4: Simplify right side
    314,568.30x = 76,717,317,010.81
  5. Step 5: Solve for x
    x = 76,717,317,010.81/314,568.30
  6. Step 6: Final answer
    x = 243,881.27

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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.