Home / 179,080.67-246,897.11-129,978.19

Finding the Fourth Proportional to 179,080.67, 246,897.11 and 129,978.19

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Solution

The fourth proportional to 179,080.67, 246,897.11 and 129,978.19 is: 179,199.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,080.67 : 246,897.11 = 129,978.19 : x
  2. Step 2: Convert to fraction form
    179,080.67/246,897.11 = 129,978.19/x
  3. Step 3: Cross multiply
    179,080.67x = 246,897.11 × 129,978.19
  4. Step 4: Simplify right side
    179,080.67x = 32,091,240,802.00
  5. Step 5: Solve for x
    x = 32,091,240,802.00/179,080.67
  6. Step 6: Final answer
    x = 179,199.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.