Home / 130,501.32-180,104.46-73,150.38

Finding the Fourth Proportional to 130,501.32, 180,104.46 and 73,150.38

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Solution

The fourth proportional to 130,501.32, 180,104.46 and 73,150.38 is: 100,954.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,501.32 : 180,104.46 = 73,150.38 : x
  2. Step 2: Convert to fraction form
    130,501.32/180,104.46 = 73,150.38/x
  3. Step 3: Cross multiply
    130,501.32x = 180,104.46 × 73,150.38
  4. Step 4: Simplify right side
    130,501.32x = 13,174,709,688.69
  5. Step 5: Solve for x
    x = 13,174,709,688.69/130,501.32
  6. Step 6: Final answer
    x = 100,954.61

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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.