Home / 328,929.08-453,918.90-185,686.04

Finding the Fourth Proportional to 328,929.08, 453,918.90 and 185,686.04

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Solution

The fourth proportional to 328,929.08, 453,918.90 and 185,686.04 is: 256,244.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,929.08 : 453,918.90 = 185,686.04 : x
  2. Step 2: Convert to fraction form
    328,929.08/453,918.90 = 185,686.04/x
  3. Step 3: Cross multiply
    328,929.08x = 453,918.90 × 185,686.04
  4. Step 4: Simplify right side
    328,929.08x = 84,286,403,022.16
  5. Step 5: Solve for x
    x = 84,286,403,022.16/328,929.08
  6. Step 6: Final answer
    x = 256,244.91

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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.