Home / 130,567.18-180,172.44-73,964.38

Finding the Fourth Proportional to 130,567.18, 180,172.44 and 73,964.38

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Solution

The fourth proportional to 130,567.18, 180,172.44 and 73,964.38 is: 102,065.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,567.18 : 180,172.44 = 73,964.38 : x
  2. Step 2: Convert to fraction form
    130,567.18/180,172.44 = 73,964.38/x
  3. Step 3: Cross multiply
    130,567.18x = 180,172.44 × 73,964.38
  4. Step 4: Simplify right side
    130,567.18x = 13,326,342,817.69
  5. Step 5: Solve for x
    x = 13,326,342,817.69/130,567.18
  6. Step 6: Final answer
    x = 102,065.03

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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.