Home / 180,939.66-249,533.19-112,962.84

Finding the Fourth Proportional to 180,939.66, 249,533.19 and 112,962.84

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Solution

The fourth proportional to 180,939.66, 249,533.19 and 112,962.84 is: 155,786.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,939.66 : 249,533.19 = 112,962.84 : x
  2. Step 2: Convert to fraction form
    180,939.66/249,533.19 = 112,962.84/x
  3. Step 3: Cross multiply
    180,939.66x = 249,533.19 × 112,962.84
  4. Step 4: Simplify right side
    180,939.66x = 28,187,977,816.66
  5. Step 5: Solve for x
    x = 28,187,977,816.66/180,939.66
  6. Step 6: Final answer
    x = 155,786.62

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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.