Home / 331,632.81-457,665.57-188,417.16

Finding the Fourth Proportional to 331,632.81, 457,665.57 and 188,417.16

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Solution

The fourth proportional to 331,632.81, 457,665.57 and 188,417.16 is: 260,022.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,632.81 : 457,665.57 = 188,417.16 : x
  2. Step 2: Convert to fraction form
    331,632.81/457,665.57 = 188,417.16/x
  3. Step 3: Cross multiply
    331,632.81x = 457,665.57 × 188,417.16
  4. Step 4: Simplify right side
    331,632.81x = 86,232,046,929.18
  5. Step 5: Solve for x
    x = 86,232,046,929.18/331,632.81
  6. Step 6: Final answer
    x = 260,022.66

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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.