Home / 185,813.04-256,528.40-122,335.36

Finding the Fourth Proportional to 185,813.04, 256,528.40 and 122,335.36

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Solution

The fourth proportional to 185,813.04, 256,528.40 and 122,335.36 is: 168,892.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,813.04 : 256,528.40 = 122,335.36 : x
  2. Step 2: Convert to fraction form
    185,813.04/256,528.40 = 122,335.36/x
  3. Step 3: Cross multiply
    185,813.04x = 256,528.40 × 122,335.36
  4. Step 4: Simplify right side
    185,813.04x = 31,382,494,164.22
  5. Step 5: Solve for x
    x = 31,382,494,164.22/185,813.04
  6. Step 6: Final answer
    x = 168,892.85

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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.