Home / 147,501.36-203,551.68-83,839.20

Finding the Fourth Proportional to 147,501.36, 203,551.68 and 83,839.20

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Solution

The fourth proportional to 147,501.36, 203,551.68 and 83,839.20 is: 115,697.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,501.36 : 203,551.68 = 83,839.20 : x
  2. Step 2: Convert to fraction form
    147,501.36/203,551.68 = 83,839.20/x
  3. Step 3: Cross multiply
    147,501.36x = 203,551.68 × 83,839.20
  4. Step 4: Simplify right side
    147,501.36x = 17,065,610,009.86
  5. Step 5: Solve for x
    x = 17,065,610,009.86/147,501.36
  6. Step 6: Final answer
    x = 115,697.98

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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.