Home / 127,208.94-175,539.60-70,615.86

Finding the Fourth Proportional to 127,208.94, 175,539.60 and 70,615.86

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Solution

The fourth proportional to 127,208.94, 175,539.60 and 70,615.86 is: 97,445.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,208.94 : 175,539.60 = 70,615.86 : x
  2. Step 2: Convert to fraction form
    127,208.94/175,539.60 = 70,615.86/x
  3. Step 3: Cross multiply
    127,208.94x = 175,539.60 × 70,615.86
  4. Step 4: Simplify right side
    127,208.94x = 12,395,879,818.06
  5. Step 5: Solve for x
    x = 12,395,879,818.06/127,208.94
  6. Step 6: Final answer
    x = 97,445.04

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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.