Home / 127,194.12-175,527.72-70,605.36

Finding the Fourth Proportional to 127,194.12, 175,527.72 and 70,605.36

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Solution

The fourth proportional to 127,194.12, 175,527.72 and 70,605.36 is: 97,435.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,194.12 : 175,527.72 = 70,605.36 : x
  2. Step 2: Convert to fraction form
    127,194.12/175,527.72 = 70,605.36/x
  3. Step 3: Cross multiply
    127,194.12x = 175,527.72 × 70,605.36
  4. Step 4: Simplify right side
    127,194.12x = 12,393,197,860.58
  5. Step 5: Solve for x
    x = 12,393,197,860.58/127,194.12
  6. Step 6: Final answer
    x = 97,435.30

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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.