Home / 316,740.87-437,111.27-192,561.64

Finding the Fourth Proportional to 316,740.87, 437,111.27 and 192,561.64

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Solution

The fourth proportional to 316,740.87, 437,111.27 and 192,561.64 is: 265,740.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,740.87 : 437,111.27 = 192,561.64 : x
  2. Step 2: Convert to fraction form
    316,740.87/437,111.27 = 192,561.64/x
  3. Step 3: Cross multiply
    316,740.87x = 437,111.27 × 192,561.64
  4. Step 4: Simplify right side
    316,740.87x = 84,170,861,680.20
  5. Step 5: Solve for x
    x = 84,170,861,680.20/316,740.87
  6. Step 6: Final answer
    x = 265,740.45

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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.