Home / 210,036.43-289,867.49-119,420.83

Finding the Fourth Proportional to 210,036.43, 289,867.49 and 119,420.83

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Solution

The fourth proportional to 210,036.43, 289,867.49 and 119,420.83 is: 164,810.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,036.43 : 289,867.49 = 119,420.83 : x
  2. Step 2: Convert to fraction form
    210,036.43/289,867.49 = 119,420.83/x
  3. Step 3: Cross multiply
    210,036.43x = 289,867.49 × 119,420.83
  4. Step 4: Simplify right side
    210,036.43x = 34,616,216,245.82
  5. Step 5: Solve for x
    x = 34,616,216,245.82/210,036.43
  6. Step 6: Final answer
    x = 164,810.53

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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.