Home / 285,156.06-393,613.68-164,345.58

Finding the Fourth Proportional to 285,156.06, 393,613.68 and 164,345.58

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Solution

The fourth proportional to 285,156.06, 393,613.68 and 164,345.58 is: 226,853.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,156.06 : 393,613.68 = 164,345.58 : x
  2. Step 2: Convert to fraction form
    285,156.06/393,613.68 = 164,345.58/x
  3. Step 3: Cross multiply
    285,156.06x = 393,613.68 × 164,345.58
  4. Step 4: Simplify right side
    285,156.06x = 64,688,668,535.53
  5. Step 5: Solve for x
    x = 64,688,668,535.53/285,156.06
  6. Step 6: Final answer
    x = 226,853.56

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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.