Home / 127,346.81-175,728.30-73,635.30

Finding the Fourth Proportional to 127,346.81, 175,728.30 and 73,635.30

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Solution

The fourth proportional to 127,346.81, 175,728.30 and 73,635.30 is: 101,610.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,346.81 : 175,728.30 = 73,635.30 : x
  2. Step 2: Convert to fraction form
    127,346.81/175,728.30 = 73,635.30/x
  3. Step 3: Cross multiply
    127,346.81x = 175,728.30 × 73,635.30
  4. Step 4: Simplify right side
    127,346.81x = 12,939,806,088.99
  5. Step 5: Solve for x
    x = 12,939,806,088.99/127,346.81
  6. Step 6: Final answer
    x = 101,610.76

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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.