Home / 127,084.86-190,628.65-38,339.13

Finding the Fourth Proportional to 127,084.86, 190,628.65 and 38,339.13

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Solution

The fourth proportional to 127,084.86, 190,628.65 and 38,339.13 is: 57,509.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,084.86 : 190,628.65 = 38,339.13 : x
  2. Step 2: Convert to fraction form
    127,084.86/190,628.65 = 38,339.13/x
  3. Step 3: Cross multiply
    127,084.86x = 190,628.65 × 38,339.13
  4. Step 4: Simplify right side
    127,084.86x = 7,308,536,689.92
  5. Step 5: Solve for x
    x = 7,308,536,689.92/127,084.86
  6. Step 6: Final answer
    x = 57,509.11

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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.