Home / 330,458.81-456,032.04-187,246.16

Finding the Fourth Proportional to 330,458.81, 456,032.04 and 187,246.16

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Solution

The fourth proportional to 330,458.81, 456,032.04 and 187,246.16 is: 258,399.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,458.81 : 456,032.04 = 187,246.16 : x
  2. Step 2: Convert to fraction form
    330,458.81/456,032.04 = 187,246.16/x
  3. Step 3: Cross multiply
    330,458.81x = 456,032.04 × 187,246.16
  4. Step 4: Simplify right side
    330,458.81x = 85,390,248,326.97
  5. Step 5: Solve for x
    x = 85,390,248,326.97/330,458.81
  6. Step 6: Final answer
    x = 258,399.07

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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.