Home / 127,274.88-175,636.80-70,684.32

Finding the Fourth Proportional to 127,274.88, 175,636.80 and 70,684.32

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Solution

The fourth proportional to 127,274.88, 175,636.80 and 70,684.32 is: 97,542.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,274.88 : 175,636.80 = 70,684.32 : x
  2. Step 2: Convert to fraction form
    127,274.88/175,636.80 = 70,684.32/x
  3. Step 3: Cross multiply
    127,274.88x = 175,636.80 × 70,684.32
  4. Step 4: Simplify right side
    127,274.88x = 12,414,767,774.98
  5. Step 5: Solve for x
    x = 12,414,767,774.98/127,274.88
  6. Step 6: Final answer
    x = 97,542.95

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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.