Home / 189,429.23-261,411.81-104,545.69

Finding the Fourth Proportional to 189,429.23, 261,411.81 and 104,545.69

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Solution

The fourth proportional to 189,429.23, 261,411.81 and 104,545.69 is: 144,272.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,429.23 : 261,411.81 = 104,545.69 : x
  2. Step 2: Convert to fraction form
    189,429.23/261,411.81 = 104,545.69/x
  3. Step 3: Cross multiply
    189,429.23x = 261,411.81 × 104,545.69
  4. Step 4: Simplify right side
    189,429.23x = 27,329,477,005.02
  5. Step 5: Solve for x
    x = 27,329,477,005.02/189,429.23
  6. Step 6: Final answer
    x = 144,272.75

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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.