Home / 147,503.64-203,555.16-83,839.80

Finding the Fourth Proportional to 147,503.64, 203,555.16 and 83,839.80

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Solution

The fourth proportional to 147,503.64, 203,555.16 and 83,839.80 is: 115,699.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,503.64 : 203,555.16 = 83,839.80 : x
  2. Step 2: Convert to fraction form
    147,503.64/203,555.16 = 83,839.80/x
  3. Step 3: Cross multiply
    147,503.64x = 203,555.16 × 83,839.80
  4. Step 4: Simplify right side
    147,503.64x = 17,066,023,903.37
  5. Step 5: Solve for x
    x = 17,066,023,903.37/147,503.64
  6. Step 6: Final answer
    x = 115,699.00

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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.