Home / 314,950.77-434,638.62-177,132.36

Finding the Fourth Proportional to 314,950.77, 434,638.62 and 177,132.36

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Solution

The fourth proportional to 314,950.77, 434,638.62 and 177,132.36 is: 244,446.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,950.77 : 434,638.62 = 177,132.36 : x
  2. Step 2: Convert to fraction form
    314,950.77/434,638.62 = 177,132.36/x
  3. Step 3: Cross multiply
    314,950.77x = 434,638.62 × 177,132.36
  4. Step 4: Simplify right side
    314,950.77x = 76,988,564,507.74
  5. Step 5: Solve for x
    x = 76,988,564,507.74/314,950.77
  6. Step 6: Final answer
    x = 244,446.34

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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.