Home / 328,547.10-453,399.27-190,758.33

Finding the Fourth Proportional to 328,547.10, 453,399.27 and 190,758.33

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Solution

The fourth proportional to 328,547.10, 453,399.27 and 190,758.33 is: 263,248.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,547.10 : 453,399.27 = 190,758.33 : x
  2. Step 2: Convert to fraction form
    328,547.10/453,399.27 = 190,758.33/x
  3. Step 3: Cross multiply
    328,547.10x = 453,399.27 × 190,758.33
  4. Step 4: Simplify right side
    328,547.10x = 86,489,687,568.42
  5. Step 5: Solve for x
    x = 86,489,687,568.42/328,547.10
  6. Step 6: Final answer
    x = 263,248.98

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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.