Home / 313,502.32-432,577.02-186,209.20

Finding the Fourth Proportional to 313,502.32, 432,577.02 and 186,209.20

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Solution

The fourth proportional to 313,502.32, 432,577.02 and 186,209.20 is: 256,935.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,502.32 : 432,577.02 = 186,209.20 : x
  2. Step 2: Convert to fraction form
    313,502.32/432,577.02 = 186,209.20/x
  3. Step 3: Cross multiply
    313,502.32x = 432,577.02 × 186,209.20
  4. Step 4: Simplify right side
    313,502.32x = 80,549,820,832.58
  5. Step 5: Solve for x
    x = 80,549,820,832.58/313,502.32
  6. Step 6: Final answer
    x = 256,935.33

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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.