Home / 186,795.09-280,191.51-86,900.22

Finding the Fourth Proportional to 186,795.09, 280,191.51 and 86,900.22

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Solution

The fourth proportional to 186,795.09, 280,191.51 and 86,900.22 is: 130,349.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,795.09 : 280,191.51 = 86,900.22 : x
  2. Step 2: Convert to fraction form
    186,795.09/280,191.51 = 86,900.22/x
  3. Step 3: Cross multiply
    186,795.09x = 280,191.51 × 86,900.22
  4. Step 4: Simplify right side
    186,795.09x = 24,348,703,861.13
  5. Step 5: Solve for x
    x = 24,348,703,861.13/186,795.09
  6. Step 6: Final answer
    x = 130,349.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.