Home / 171,068.10-256,638.60-52,751.40

Finding the Fourth Proportional to 171,068.10, 256,638.60 and 52,751.40

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Solution

The fourth proportional to 171,068.10, 256,638.60 and 52,751.40 is: 79,138.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,068.10 : 256,638.60 = 52,751.40 : x
  2. Step 2: Convert to fraction form
    171,068.10/256,638.60 = 52,751.40/x
  3. Step 3: Cross multiply
    171,068.10x = 256,638.60 × 52,751.40
  4. Step 4: Simplify right side
    171,068.10x = 13,538,045,444.04
  5. Step 5: Solve for x
    x = 13,538,045,444.04/171,068.10
  6. Step 6: Final answer
    x = 79,138.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.