Home / 207,810.40-286,586.98-131,196.37

Finding the Fourth Proportional to 207,810.40, 286,586.98 and 131,196.37

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Solution

The fourth proportional to 207,810.40, 286,586.98 and 131,196.37 is: 180,930.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,810.40 : 286,586.98 = 131,196.37 : x
  2. Step 2: Convert to fraction form
    207,810.40/286,586.98 = 131,196.37/x
  3. Step 3: Cross multiply
    207,810.40x = 286,586.98 × 131,196.37
  4. Step 4: Simplify right side
    207,810.40x = 37,599,169,376.35
  5. Step 5: Solve for x
    x = 37,599,169,376.35/207,810.40
  6. Step 6: Final answer
    x = 180,930.17

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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.