Home / 306,864.27-423,472.83-170,924.31

Finding the Fourth Proportional to 306,864.27, 423,472.83 and 170,924.31

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Solution

The fourth proportional to 306,864.27, 423,472.83 and 170,924.31 is: 235,875.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,864.27 : 423,472.83 = 170,924.31 : x
  2. Step 2: Convert to fraction form
    306,864.27/423,472.83 = 170,924.31/x
  3. Step 3: Cross multiply
    306,864.27x = 423,472.83 × 170,924.31
  4. Step 4: Simplify right side
    306,864.27x = 72,381,801,271.50
  5. Step 5: Solve for x
    x = 72,381,801,271.50/306,864.27
  6. Step 6: Final answer
    x = 235,875.62

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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.