Home / 107,126.40-147,835.68-59,380.32

Finding the Fourth Proportional to 107,126.40, 147,835.68 and 59,380.32

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Solution

The fourth proportional to 107,126.40, 147,835.68 and 59,380.32 is: 81,945.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,126.40 : 147,835.68 = 59,380.32 : x
  2. Step 2: Convert to fraction form
    107,126.40/147,835.68 = 59,380.32/x
  3. Step 3: Cross multiply
    107,126.40x = 147,835.68 × 59,380.32
  4. Step 4: Simplify right side
    107,126.40x = 8,778,529,985.82
  5. Step 5: Solve for x
    x = 8,778,529,985.82/107,126.40
  6. Step 6: Final answer
    x = 81,945.53

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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.