Home / 353,683.28-530,507.64-132,050

Finding the Fourth Proportional to 353,683.28, 530,507.64 and 132,050

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Solution

The fourth proportional to 353,683.28, 530,507.64 and 132,050 is: 198,068.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,683.28 : 530,507.64 = 132,050 : x
  2. Step 2: Convert to fraction form
    353,683.28/530,507.64 = 132,050/x
  3. Step 3: Cross multiply
    353,683.28x = 530,507.64 × 132,050
  4. Step 4: Simplify right side
    353,683.28x = 70,053,533,862
  5. Step 5: Solve for x
    x = 70,053,533,862/353,683.28
  6. Step 6: Final answer
    x = 198,068.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.