Home / 127,585.02-191,405.21-38,836.22

Finding the Fourth Proportional to 127,585.02, 191,405.21 and 38,836.22

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Solution

The fourth proportional to 127,585.02, 191,405.21 and 38,836.22 is: 58,262.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,585.02 : 191,405.21 = 38,836.22 : x
  2. Step 2: Convert to fraction form
    127,585.02/191,405.21 = 38,836.22/x
  3. Step 3: Cross multiply
    127,585.02x = 191,405.21 × 38,836.22
  4. Step 4: Simplify right side
    127,585.02x = 7,433,453,693.50
  5. Step 5: Solve for x
    x = 7,433,453,693.50/127,585.02
  6. Step 6: Final answer
    x = 58,262.75

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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.