Home / 328,931.36-453,899.92-185,705.52

Finding the Fourth Proportional to 328,931.36, 453,899.92 and 185,705.52

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Solution

The fourth proportional to 328,931.36, 453,899.92 and 185,705.52 is: 256,259.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,931.36 : 453,899.92 = 185,705.52 : x
  2. Step 2: Convert to fraction form
    328,931.36/453,899.92 = 185,705.52/x
  3. Step 3: Cross multiply
    328,931.36x = 453,899.92 × 185,705.52
  4. Step 4: Simplify right side
    328,931.36x = 84,291,720,671.56
  5. Step 5: Solve for x
    x = 84,291,720,671.56/328,931.36
  6. Step 6: Final answer
    x = 256,259.30

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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.