Home / 136,033.04-187,724.76-75,602.72

Finding the Fourth Proportional to 136,033.04, 187,724.76 and 75,602.72

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Solution

The fourth proportional to 136,033.04, 187,724.76 and 75,602.72 is: 104,331.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,033.04 : 187,724.76 = 75,602.72 : x
  2. Step 2: Convert to fraction form
    136,033.04/187,724.76 = 75,602.72/x
  3. Step 3: Cross multiply
    136,033.04x = 187,724.76 × 75,602.72
  4. Step 4: Simplify right side
    136,033.04x = 14,192,502,467.35
  5. Step 5: Solve for x
    x = 14,192,502,467.35/136,033.04
  6. Step 6: Final answer
    x = 104,331.29

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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.