Home / 147,457.69-203,427.44-93,713.92

Finding the Fourth Proportional to 147,457.69, 203,427.44 and 93,713.92

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Solution

The fourth proportional to 147,457.69, 203,427.44 and 93,713.92 is: 129,284.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,457.69 : 203,427.44 = 93,713.92 : x
  2. Step 2: Convert to fraction form
    147,457.69/203,427.44 = 93,713.92/x
  3. Step 3: Cross multiply
    147,457.69x = 203,427.44 × 93,713.92
  4. Step 4: Simplify right side
    147,457.69x = 19,063,982,837.96
  5. Step 5: Solve for x
    x = 19,063,982,837.96/147,457.69
  6. Step 6: Final answer
    x = 129,284.43

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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.