Home / 147,406.85-203,422.14-83,748.14

Finding the Fourth Proportional to 147,406.85, 203,422.14 and 83,748.14

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Solution

The fourth proportional to 147,406.85, 203,422.14 and 83,748.14 is: 115,572.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,406.85 : 203,422.14 = 83,748.14 : x
  2. Step 2: Convert to fraction form
    147,406.85/203,422.14 = 83,748.14/x
  3. Step 3: Cross multiply
    147,406.85x = 203,422.14 × 83,748.14
  4. Step 4: Simplify right side
    147,406.85x = 17,036,225,859.82
  5. Step 5: Solve for x
    x = 17,036,225,859.82/147,406.85
  6. Step 6: Final answer
    x = 115,572.82

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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.