Home / 124,529.70-186,502.95-84,872.10

Finding the Fourth Proportional to 124,529.70, 186,502.95 and 84,872.10

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Solution

The fourth proportional to 124,529.70, 186,502.95 and 84,872.10 is: 127,109.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,529.70 : 186,502.95 = 84,872.10 : x
  2. Step 2: Convert to fraction form
    124,529.70/186,502.95 = 84,872.10/x
  3. Step 3: Cross multiply
    124,529.70x = 186,502.95 × 84,872.10
  4. Step 4: Simplify right side
    124,529.70x = 15,828,897,022.70
  5. Step 5: Solve for x
    x = 15,828,897,022.70/124,529.70
  6. Step 6: Final answer
    x = 127,109.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.