Home / 127,199.72-175,526.82-70,606.64

Finding the Fourth Proportional to 127,199.72, 175,526.82 and 70,606.64

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Solution

The fourth proportional to 127,199.72, 175,526.82 and 70,606.64 is: 97,432.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,199.72 : 175,526.82 = 70,606.64 : x
  2. Step 2: Convert to fraction form
    127,199.72/175,526.82 = 70,606.64/x
  3. Step 3: Cross multiply
    127,199.72x = 175,526.82 × 70,606.64
  4. Step 4: Simplify right side
    127,199.72x = 12,393,358,990.08
  5. Step 5: Solve for x
    x = 12,393,358,990.08/127,199.72
  6. Step 6: Final answer
    x = 97,432.28

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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.