Home / 145,688.76-201,057.66-82,033.56

Finding the Fourth Proportional to 145,688.76, 201,057.66 and 82,033.56

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Solution

The fourth proportional to 145,688.76, 201,057.66 and 82,033.56 is: 113,210.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,688.76 : 201,057.66 = 82,033.56 : x
  2. Step 2: Convert to fraction form
    145,688.76/201,057.66 = 82,033.56/x
  3. Step 3: Cross multiply
    145,688.76x = 201,057.66 × 82,033.56
  4. Step 4: Simplify right side
    145,688.76x = 16,493,475,615.07
  5. Step 5: Solve for x
    x = 16,493,475,615.07/145,688.76
  6. Step 6: Final answer
    x = 113,210.35

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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.