Home / 243,933.50-336,579.90-136,482.68

Finding the Fourth Proportional to 243,933.50, 336,579.90 and 136,482.68

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Solution

The fourth proportional to 243,933.50, 336,579.90 and 136,482.68 is: 188,319.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,933.50 : 336,579.90 = 136,482.68 : x
  2. Step 2: Convert to fraction form
    243,933.50/336,579.90 = 136,482.68/x
  3. Step 3: Cross multiply
    243,933.50x = 336,579.90 × 136,482.68
  4. Step 4: Simplify right side
    243,933.50x = 45,937,326,786.13
  5. Step 5: Solve for x
    x = 45,937,326,786.13/243,933.50
  6. Step 6: Final answer
    x = 188,319.06

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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.