Home / 154,527.75-213,258.96-86,550.12

Finding the Fourth Proportional to 154,527.75, 213,258.96 and 86,550.12

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Solution

The fourth proportional to 154,527.75, 213,258.96 and 86,550.12 is: 119,445.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,527.75 : 213,258.96 = 86,550.12 : x
  2. Step 2: Convert to fraction form
    154,527.75/213,258.96 = 86,550.12/x
  3. Step 3: Cross multiply
    154,527.75x = 213,258.96 × 86,550.12
  4. Step 4: Simplify right side
    154,527.75x = 18,457,588,579.08
  5. Step 5: Solve for x
    x = 18,457,588,579.08/154,527.75
  6. Step 6: Final answer
    x = 119,445.14

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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.