Home / 186,191.37-279,068.35-86,140.22

Finding the Fourth Proportional to 186,191.37, 279,068.35 and 86,140.22

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Solution

The fourth proportional to 186,191.37, 279,068.35 and 86,140.22 is: 129,109.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,191.37 : 279,068.35 = 86,140.22 : x
  2. Step 2: Convert to fraction form
    186,191.37/279,068.35 = 86,140.22/x
  3. Step 3: Cross multiply
    186,191.37x = 279,068.35 × 86,140.22
  4. Step 4: Simplify right side
    186,191.37x = 24,039,008,151.02
  5. Step 5: Solve for x
    x = 24,039,008,151.02/186,191.37
  6. Step 6: Final answer
    x = 129,109.15

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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.