Home / 282,021.92-423,143.64-124,139.69

Finding the Fourth Proportional to 282,021.92, 423,143.64 and 124,139.69

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Solution

The fourth proportional to 282,021.92, 423,143.64 and 124,139.69 is: 186,258.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,021.92 : 423,143.64 = 124,139.69 : x
  2. Step 2: Convert to fraction form
    282,021.92/423,143.64 = 124,139.69/x
  3. Step 3: Cross multiply
    282,021.92x = 423,143.64 × 124,139.69
  4. Step 4: Simplify right side
    282,021.92x = 52,528,920,295.07
  5. Step 5: Solve for x
    x = 52,528,920,295.07/282,021.92
  6. Step 6: Final answer
    x = 186,258.29

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1.5x scale

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.