Home / 385,152.32-531,719.16-232,217.84

Finding the Fourth Proportional to 385,152.32, 531,719.16 and 232,217.84

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Solution

The fourth proportional to 385,152.32, 531,719.16 and 232,217.84 is: 320,586.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,152.32 : 531,719.16 = 232,217.84 : x
  2. Step 2: Convert to fraction form
    385,152.32/531,719.16 = 232,217.84/x
  3. Step 3: Cross multiply
    385,152.32x = 531,719.16 × 232,217.84
  4. Step 4: Simplify right side
    385,152.32x = 123,474,674,821.81
  5. Step 5: Solve for x
    x = 123,474,674,821.81/385,152.32
  6. Step 6: Final answer
    x = 320,586.61

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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.