Home / 176,085.36-243,092.04-137,763.48

Finding the Fourth Proportional to 176,085.36, 243,092.04 and 137,763.48

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Solution

The fourth proportional to 176,085.36, 243,092.04 and 137,763.48 is: 190,187.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,085.36 : 243,092.04 = 137,763.48 : x
  2. Step 2: Convert to fraction form
    176,085.36/243,092.04 = 137,763.48/x
  3. Step 3: Cross multiply
    176,085.36x = 243,092.04 × 137,763.48
  4. Step 4: Simplify right side
    176,085.36x = 33,489,205,390.70
  5. Step 5: Solve for x
    x = 33,489,205,390.70/176,085.36
  6. Step 6: Final answer
    x = 190,187.34

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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.