Home / 122,256.46-168,714.35-71,304.37

Finding the Fourth Proportional to 122,256.46, 168,714.35 and 71,304.37

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Solution

The fourth proportional to 122,256.46, 168,714.35 and 71,304.37 is: 98,400.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,256.46 : 168,714.35 = 71,304.37 : x
  2. Step 2: Convert to fraction form
    122,256.46/168,714.35 = 71,304.37/x
  3. Step 3: Cross multiply
    122,256.46x = 168,714.35 × 71,304.37
  4. Step 4: Simplify right side
    122,256.46x = 12,030,070,436.71
  5. Step 5: Solve for x
    x = 12,030,070,436.71/122,256.46
  6. Step 6: Final answer
    x = 98,400.28

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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.