Home / 120,457.17-180,711.63-36,210.33

Finding the Fourth Proportional to 120,457.17, 180,711.63 and 36,210.33

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Solution

The fourth proportional to 120,457.17, 180,711.63 and 36,210.33 is: 54,323.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,457.17 : 180,711.63 = 36,210.33 : x
  2. Step 2: Convert to fraction form
    120,457.17/180,711.63 = 36,210.33/x
  3. Step 3: Cross multiply
    120,457.17x = 180,711.63 × 36,210.33
  4. Step 4: Simplify right side
    120,457.17x = 6,543,627,757.14
  5. Step 5: Solve for x
    x = 6,543,627,757.14/120,457.17
  6. Step 6: Final answer
    x = 54,323.27

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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.