Home / 242,059.06-362,312.16-129,457.72

Finding the Fourth Proportional to 242,059.06, 362,312.16 and 129,457.72

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Solution

The fourth proportional to 242,059.06, 362,312.16 and 129,457.72 is: 193,771.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,059.06 : 362,312.16 = 129,457.72 : x
  2. Step 2: Convert to fraction form
    242,059.06/362,312.16 = 129,457.72/x
  3. Step 3: Cross multiply
    242,059.06x = 362,312.16 × 129,457.72
  4. Step 4: Simplify right side
    242,059.06x = 46,904,106,161.88
  5. Step 5: Solve for x
    x = 46,904,106,161.88/242,059.06
  6. Step 6: Final answer
    x = 193,771.33

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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.