Home / 127,106.76-175,407.34-70,518.54

Finding the Fourth Proportional to 127,106.76, 175,407.34 and 70,518.54

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Solution

The fourth proportional to 127,106.76, 175,407.34 and 70,518.54 is: 97,315.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,106.76 : 175,407.34 = 70,518.54 : x
  2. Step 2: Convert to fraction form
    127,106.76/175,407.34 = 70,518.54/x
  3. Step 3: Cross multiply
    127,106.76x = 175,407.34 × 70,518.54
  4. Step 4: Simplify right side
    127,106.76x = 12,369,469,522.08
  5. Step 5: Solve for x
    x = 12,369,469,522.08/127,106.76
  6. Step 6: Final answer
    x = 97,315.59

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1.5x scale

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.