Home / 133,381.60-184,064.02-72,952.07

Finding the Fourth Proportional to 133,381.60, 184,064.02 and 72,952.07

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Solution

The fourth proportional to 133,381.60, 184,064.02 and 72,952.07 is: 100,672.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,381.60 : 184,064.02 = 72,952.07 : x
  2. Step 2: Convert to fraction form
    133,381.60/184,064.02 = 72,952.07/x
  3. Step 3: Cross multiply
    133,381.60x = 184,064.02 × 72,952.07
  4. Step 4: Simplify right side
    133,381.60x = 13,427,850,168.82
  5. Step 5: Solve for x
    x = 13,427,850,168.82/133,381.60
  6. Step 6: Final answer
    x = 100,672.43

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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.