Home / 156,211.07-215,410.00-133,624.82

Finding the Fourth Proportional to 156,211.07, 215,410.00 and 133,624.82

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Solution

The fourth proportional to 156,211.07, 215,410.00 and 133,624.82 is: 184,264.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,211.07 : 215,410.00 = 133,624.82 : x
  2. Step 2: Convert to fraction form
    156,211.07/215,410.00 = 133,624.82/x
  3. Step 3: Cross multiply
    156,211.07x = 215,410.00 × 133,624.82
  4. Step 4: Simplify right side
    156,211.07x = 28,784,122,931.21
  5. Step 5: Solve for x
    x = 28,784,122,931.21/156,211.07
  6. Step 6: Final answer
    x = 184,264.30

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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.