Home / 243,513.34-336,047.42-136,083.35

Finding the Fourth Proportional to 243,513.34, 336,047.42 and 136,083.35

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Solution

The fourth proportional to 243,513.34, 336,047.42 and 136,083.35 is: 187,794.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,513.34 : 336,047.42 = 136,083.35 : x
  2. Step 2: Convert to fraction form
    243,513.34/336,047.42 = 136,083.35/x
  3. Step 3: Cross multiply
    243,513.34x = 336,047.42 × 136,083.35
  4. Step 4: Simplify right side
    243,513.34x = 45,730,459,852.78
  5. Step 5: Solve for x
    x = 45,730,459,852.78/243,513.34
  6. Step 6: Final answer
    x = 187,794.48

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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.