Home / 126,533.61-174,547.31-81,161.12

Finding the Fourth Proportional to 126,533.61, 174,547.31 and 81,161.12

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Solution

The fourth proportional to 126,533.61, 174,547.31 and 81,161.12 is: 111,958.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,533.61 : 174,547.31 = 81,161.12 : x
  2. Step 2: Convert to fraction form
    126,533.61/174,547.31 = 81,161.12/x
  3. Step 3: Cross multiply
    126,533.61x = 174,547.31 × 81,161.12
  4. Step 4: Simplify right side
    126,533.61x = 14,166,455,203.15
  5. Step 5: Solve for x
    x = 14,166,455,203.15/126,533.61
  6. Step 6: Final answer
    x = 111,958.04

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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.