Home / 134,853.26-186,095.78-77,491.89

Finding the Fourth Proportional to 134,853.26, 186,095.78 and 77,491.89

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Solution

The fourth proportional to 134,853.26, 186,095.78 and 77,491.89 is: 106,937.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,853.26 : 186,095.78 = 77,491.89 : x
  2. Step 2: Convert to fraction form
    134,853.26/186,095.78 = 77,491.89/x
  3. Step 3: Cross multiply
    134,853.26x = 186,095.78 × 77,491.89
  4. Step 4: Simplify right side
    134,853.26x = 14,420,913,616.36
  5. Step 5: Solve for x
    x = 14,420,913,616.36/134,853.26
  6. Step 6: Final answer
    x = 106,937.82

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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.