Home / 314,784.59-434,390.09-171,541.55

Finding the Fourth Proportional to 314,784.59, 434,390.09 and 171,541.55

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Solution

The fourth proportional to 314,784.59, 434,390.09 and 171,541.55 is: 236,720.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,784.59 : 434,390.09 = 171,541.55 : x
  2. Step 2: Convert to fraction form
    314,784.59/434,390.09 = 171,541.55/x
  3. Step 3: Cross multiply
    314,784.59x = 434,390.09 × 171,541.55
  4. Step 4: Simplify right side
    314,784.59x = 74,515,946,313.58
  5. Step 5: Solve for x
    x = 74,515,946,313.58/314,784.59
  6. Step 6: Final answer
    x = 236,720.44

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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.