Home / 127,279.50-175,645.71-70,696.14

Finding the Fourth Proportional to 127,279.50, 175,645.71 and 70,696.14

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Solution

The fourth proportional to 127,279.50, 175,645.71 and 70,696.14 is: 97,560.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,279.50 : 175,645.71 = 70,696.14 : x
  2. Step 2: Convert to fraction form
    127,279.50/175,645.71 = 70,696.14/x
  3. Step 3: Cross multiply
    127,279.50x = 175,645.71 × 70,696.14
  4. Step 4: Simplify right side
    127,279.50x = 12,417,473,704.56
  5. Step 5: Solve for x
    x = 12,417,473,704.56/127,279.50
  6. Step 6: Final answer
    x = 97,560.67

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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.