Home / 161,707.40-242,561.10-122,049.80

Finding the Fourth Proportional to 161,707.40, 242,561.10 and 122,049.80

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Solution

The fourth proportional to 161,707.40, 242,561.10 and 122,049.80 is: 183,074.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,707.40 : 242,561.10 = 122,049.80 : x
  2. Step 2: Convert to fraction form
    161,707.40/242,561.10 = 122,049.80/x
  3. Step 3: Cross multiply
    161,707.40x = 242,561.10 × 122,049.80
  4. Step 4: Simplify right side
    161,707.40x = 29,604,533,742.78
  5. Step 5: Solve for x
    x = 29,604,533,742.78/161,707.40
  6. Step 6: Final answer
    x = 183,074.70

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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.