Home / 186,197.42-279,077.36-86,146.22

Finding the Fourth Proportional to 186,197.42, 279,077.36 and 86,146.22

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Solution

The fourth proportional to 186,197.42, 279,077.36 and 86,146.22 is: 129,118.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,197.42 : 279,077.36 = 86,146.22 : x
  2. Step 2: Convert to fraction form
    186,197.42/279,077.36 = 86,146.22/x
  3. Step 3: Cross multiply
    186,197.42x = 279,077.36 × 86,146.22
  4. Step 4: Simplify right side
    186,197.42x = 24,041,457,825.46
  5. Step 5: Solve for x
    x = 24,041,457,825.46/186,197.42
  6. Step 6: Final answer
    x = 129,118.11

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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.