Home / 133,558.04-184,435.18-85,894.40

Finding the Fourth Proportional to 133,558.04, 184,435.18 and 85,894.40

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Solution

The fourth proportional to 133,558.04, 184,435.18 and 85,894.40 is: 118,614.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,558.04 : 184,435.18 = 85,894.40 : x
  2. Step 2: Convert to fraction form
    133,558.04/184,435.18 = 85,894.40/x
  3. Step 3: Cross multiply
    133,558.04x = 184,435.18 × 85,894.40
  4. Step 4: Simplify right side
    133,558.04x = 15,841,949,124.99
  5. Step 5: Solve for x
    x = 15,841,949,124.99/133,558.04
  6. Step 6: Final answer
    x = 118,614.72

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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.