Home / 126,133.96-174,066.20-69,547.36

Finding the Fourth Proportional to 126,133.96, 174,066.20 and 69,547.36

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Solution

The fourth proportional to 126,133.96, 174,066.20 and 69,547.36 is: 95,976.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,133.96 : 174,066.20 = 69,547.36 : x
  2. Step 2: Convert to fraction form
    126,133.96/174,066.20 = 69,547.36/x
  3. Step 3: Cross multiply
    126,133.96x = 174,066.20 × 69,547.36
  4. Step 4: Simplify right side
    126,133.96x = 12,105,844,675.23
  5. Step 5: Solve for x
    x = 12,105,844,675.23/126,133.96
  6. Step 6: Final answer
    x = 95,976.09

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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.