Home / 302,022.70-453,034.05-124,438.30

Finding the Fourth Proportional to 302,022.70, 453,034.05 and 124,438.30

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Solution

The fourth proportional to 302,022.70, 453,034.05 and 124,438.30 is: 186,657.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,022.70 : 453,034.05 = 124,438.30 : x
  2. Step 2: Convert to fraction form
    302,022.70/453,034.05 = 124,438.30/x
  3. Step 3: Cross multiply
    302,022.70x = 453,034.05 × 124,438.30
  4. Step 4: Simplify right side
    302,022.70x = 56,374,787,024.12
  5. Step 5: Solve for x
    x = 56,374,787,024.12/302,022.70
  6. Step 6: Final answer
    x = 186,657.45

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1.5x scale

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.