Home / 147,501.20-203,539.56-83,824.40

Finding the Fourth Proportional to 147,501.20, 203,539.56 and 83,824.40

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Solution

The fourth proportional to 147,501.20, 203,539.56 and 83,824.40 is: 115,670.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,501.20 : 203,539.56 = 83,824.40 : x
  2. Step 2: Convert to fraction form
    147,501.20/203,539.56 = 83,824.40/x
  3. Step 3: Cross multiply
    147,501.20x = 203,539.56 × 83,824.40
  4. Step 4: Simplify right side
    147,501.20x = 17,061,581,493.26
  5. Step 5: Solve for x
    x = 17,061,581,493.26/147,501.20
  6. Step 6: Final answer
    x = 115,670.80

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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.