Home / 186,229.96-257,298.02-129,892.84

Finding the Fourth Proportional to 186,229.96, 257,298.02 and 129,892.84

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Solution

The fourth proportional to 186,229.96, 257,298.02 and 129,892.84 is: 179,461.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,229.96 : 257,298.02 = 129,892.84 : x
  2. Step 2: Convert to fraction form
    186,229.96/257,298.02 = 129,892.84/x
  3. Step 3: Cross multiply
    186,229.96x = 257,298.02 × 129,892.84
  4. Step 4: Simplify right side
    186,229.96x = 33,421,170,544.18
  5. Step 5: Solve for x
    x = 33,421,170,544.18/186,229.96
  6. Step 6: Final answer
    x = 179,461.84

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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.