Home / 127,053.30-175,321.83-70,453.74

Finding the Fourth Proportional to 127,053.30, 175,321.83 and 70,453.74

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Solution

The fourth proportional to 127,053.30, 175,321.83 and 70,453.74 is: 97,219.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,053.30 : 175,321.83 = 70,453.74 : x
  2. Step 2: Convert to fraction form
    127,053.30/175,321.83 = 70,453.74/x
  3. Step 3: Cross multiply
    127,053.30x = 175,321.83 × 70,453.74
  4. Step 4: Simplify right side
    127,053.30x = 12,352,078,627.14
  5. Step 5: Solve for x
    x = 12,352,078,627.14/127,053.30
  6. Step 6: Final answer
    x = 97,219.66

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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.