Home / 127,485.07-191,206.80-37,506.74

Finding the Fourth Proportional to 127,485.07, 191,206.80 and 37,506.74

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Solution

The fourth proportional to 127,485.07, 191,206.80 and 37,506.74 is: 56,253.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,485.07 : 191,206.80 = 37,506.74 : x
  2. Step 2: Convert to fraction form
    127,485.07/191,206.80 = 37,506.74/x
  3. Step 3: Cross multiply
    127,485.07x = 191,206.80 × 37,506.74
  4. Step 4: Simplify right side
    127,485.07x = 7,171,544,211.85
  5. Step 5: Solve for x
    x = 7,171,544,211.85/127,485.07
  6. Step 6: Final answer
    x = 56,253.99

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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.