Home / 338,966.81-467,772.90-186,007.55

Finding the Fourth Proportional to 338,966.81, 467,772.90 and 186,007.55

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Solution

The fourth proportional to 338,966.81, 467,772.90 and 186,007.55 is: 256,689.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,966.81 : 467,772.90 = 186,007.55 : x
  2. Step 2: Convert to fraction form
    338,966.81/467,772.90 = 186,007.55/x
  3. Step 3: Cross multiply
    338,966.81x = 467,772.90 × 186,007.55
  4. Step 4: Simplify right side
    338,966.81x = 87,009,288,746.53
  5. Step 5: Solve for x
    x = 87,009,288,746.53/338,966.81
  6. Step 6: Final answer
    x = 256,689.70

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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.