Home / 243,560.32-336,111.84-136,130.16

Finding the Fourth Proportional to 243,560.32, 336,111.84 and 136,130.16

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Solution

The fourth proportional to 243,560.32, 336,111.84 and 136,130.16 is: 187,858.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,560.32 : 336,111.84 = 136,130.16 : x
  2. Step 2: Convert to fraction form
    243,560.32/336,111.84 = 136,130.16/x
  3. Step 3: Cross multiply
    243,560.32x = 336,111.84 × 136,130.16
  4. Step 4: Simplify right side
    243,560.32x = 45,754,958,557.09
  5. Step 5: Solve for x
    x = 45,754,958,557.09/243,560.32
  6. Step 6: Final answer
    x = 187,858.84

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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.