Home / 120,673.03-181,038.81-36,428.16

Finding the Fourth Proportional to 120,673.03, 181,038.81 and 36,428.16

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Solution

The fourth proportional to 120,673.03, 181,038.81 and 36,428.16 is: 54,651.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,673.03 : 181,038.81 = 36,428.16 : x
  2. Step 2: Convert to fraction form
    120,673.03/181,038.81 = 36,428.16/x
  3. Step 3: Cross multiply
    120,673.03x = 181,038.81 × 36,428.16
  4. Step 4: Simplify right side
    120,673.03x = 6,594,910,329.14
  5. Step 5: Solve for x
    x = 6,594,910,329.14/120,673.03
  6. Step 6: Final answer
    x = 54,651.07

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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.