Home / 161,403.58-242,106.54-56,222.20

Finding the Fourth Proportional to 161,403.58, 242,106.54 and 56,222.20

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Solution

The fourth proportional to 161,403.58, 242,106.54 and 56,222.20 is: 84,333.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,403.58 : 242,106.54 = 56,222.20 : x
  2. Step 2: Convert to fraction form
    161,403.58/242,106.54 = 56,222.20/x
  3. Step 3: Cross multiply
    161,403.58x = 242,106.54 × 56,222.20
  4. Step 4: Simplify right side
    161,403.58x = 13,611,762,313.19
  5. Step 5: Solve for x
    x = 13,611,762,313.19/161,403.58
  6. Step 6: Final answer
    x = 84,333.71

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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.