Home / 314,825.40-434,469.20-178,856.87

Finding the Fourth Proportional to 314,825.40, 434,469.20 and 178,856.87

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Solution

The fourth proportional to 314,825.40, 434,469.20 and 178,856.87 is: 246,828.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,825.40 : 434,469.20 = 178,856.87 : x
  2. Step 2: Convert to fraction form
    314,825.40/434,469.20 = 178,856.87/x
  3. Step 3: Cross multiply
    314,825.40x = 434,469.20 × 178,856.87
  4. Step 4: Simplify right side
    314,825.40x = 77,707,798,156.77
  5. Step 5: Solve for x
    x = 77,707,798,156.77/314,825.40
  6. Step 6: Final answer
    x = 246,828.24

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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.