Home / 127,045.51-175,321.60-69,683.67

Finding the Fourth Proportional to 127,045.51, 175,321.60 and 69,683.67

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Solution

The fourth proportional to 127,045.51, 175,321.60 and 69,683.67 is: 96,162.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,045.51 : 175,321.60 = 69,683.67 : x
  2. Step 2: Convert to fraction form
    127,045.51/175,321.60 = 69,683.67/x
  3. Step 3: Cross multiply
    127,045.51x = 175,321.60 × 69,683.67
  4. Step 4: Simplify right side
    127,045.51x = 12,217,052,344.06
  5. Step 5: Solve for x
    x = 12,217,052,344.06/127,045.51
  6. Step 6: Final answer
    x = 96,162.80

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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.