Home / 243,011.35-335,339.89-134,116.66

Finding the Fourth Proportional to 243,011.35, 335,339.89 and 134,116.66

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Solution

The fourth proportional to 243,011.35, 335,339.89 and 134,116.66 is: 185,072.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,011.35 : 335,339.89 = 134,116.66 : x
  2. Step 2: Convert to fraction form
    243,011.35/335,339.89 = 134,116.66/x
  3. Step 3: Cross multiply
    243,011.35x = 335,339.89 × 134,116.66
  4. Step 4: Simplify right side
    243,011.35x = 44,974,666,011.57
  5. Step 5: Solve for x
    x = 44,974,666,011.57/243,011.35
  6. Step 6: Final answer
    x = 185,072.29

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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.