Home / 134,516.69-185,616.78-77,153.04

Finding the Fourth Proportional to 134,516.69, 185,616.78 and 77,153.04

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Solution

The fourth proportional to 134,516.69, 185,616.78 and 77,153.04 is: 106,461.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,516.69 : 185,616.78 = 77,153.04 : x
  2. Step 2: Convert to fraction form
    134,516.69/185,616.78 = 77,153.04/x
  3. Step 3: Cross multiply
    134,516.69x = 185,616.78 × 77,153.04
  4. Step 4: Simplify right side
    134,516.69x = 14,320,898,852.01
  5. Step 5: Solve for x
    x = 14,320,898,852.01/134,516.69
  6. Step 6: Final answer
    x = 106,461.87

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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.