Home / 243,503.15-336,033.54-136,073.16

Finding the Fourth Proportional to 243,503.15, 336,033.54 and 136,073.16

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Solution

The fourth proportional to 243,503.15, 336,033.54 and 136,073.16 is: 187,780.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,503.15 : 336,033.54 = 136,073.16 : x
  2. Step 2: Convert to fraction form
    243,503.15/336,033.54 = 136,073.16/x
  3. Step 3: Cross multiply
    243,503.15x = 336,033.54 × 136,073.16
  4. Step 4: Simplify right side
    243,503.15x = 45,725,145,653.79
  5. Step 5: Solve for x
    x = 45,725,145,653.79/243,503.15
  6. Step 6: Final answer
    x = 187,780.51

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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.