Home / 126,779.58-174,958.38-70,192.98

Finding the Fourth Proportional to 126,779.58, 174,958.38 and 70,192.98

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Solution

The fourth proportional to 126,779.58, 174,958.38 and 70,192.98 is: 96,867.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,779.58 : 174,958.38 = 70,192.98 : x
  2. Step 2: Convert to fraction form
    126,779.58/174,958.38 = 70,192.98/x
  3. Step 3: Cross multiply
    126,779.58x = 174,958.38 × 70,192.98
  4. Step 4: Simplify right side
    126,779.58x = 12,280,850,068.17
  5. Step 5: Solve for x
    x = 12,280,850,068.17/126,779.58
  6. Step 6: Final answer
    x = 96,867.73

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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.