Home / 199,322.24-275,068.32-108,678.92

Finding the Fourth Proportional to 199,322.24, 275,068.32 and 108,678.92

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Solution

The fourth proportional to 199,322.24, 275,068.32 and 108,678.92 is: 149,978.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,322.24 : 275,068.32 = 108,678.92 : x
  2. Step 2: Convert to fraction form
    199,322.24/275,068.32 = 108,678.92/x
  3. Step 3: Cross multiply
    199,322.24x = 275,068.32 × 108,678.92
  4. Step 4: Simplify right side
    199,322.24x = 29,894,127,943.81
  5. Step 5: Solve for x
    x = 29,894,127,943.81/199,322.24
  6. Step 6: Final answer
    x = 149,978.89

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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.