Home / 147,798.88-203,911.14-89,674.06

Finding the Fourth Proportional to 147,798.88, 203,911.14 and 89,674.06

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Solution

The fourth proportional to 147,798.88, 203,911.14 and 89,674.06 is: 123,719.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,798.88 : 203,911.14 = 89,674.06 : x
  2. Step 2: Convert to fraction form
    147,798.88/203,911.14 = 89,674.06/x
  3. Step 3: Cross multiply
    147,798.88x = 203,911.14 × 89,674.06
  4. Step 4: Simplify right side
    147,798.88x = 18,285,539,803.03
  5. Step 5: Solve for x
    x = 18,285,539,803.03/147,798.88
  6. Step 6: Final answer
    x = 123,719.07

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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.