Home / 314,823.88-434,458.35-178,865.23

Finding the Fourth Proportional to 314,823.88, 434,458.35 and 178,865.23

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Solution

The fourth proportional to 314,823.88, 434,458.35 and 178,865.23 is: 246,834.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,823.88 : 434,458.35 = 178,865.23 : x
  2. Step 2: Convert to fraction form
    314,823.88/434,458.35 = 178,865.23/x
  3. Step 3: Cross multiply
    314,823.88x = 434,458.35 × 178,865.23
  4. Step 4: Simplify right side
    314,823.88x = 77,709,492,698.17
  5. Step 5: Solve for x
    x = 77,709,492,698.17/314,823.88
  6. Step 6: Final answer
    x = 246,834.81

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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.