Home / 156,233.04-215,440.32-133,646.79

Finding the Fourth Proportional to 156,233.04, 215,440.32 and 133,646.79

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Solution

The fourth proportional to 156,233.04, 215,440.32 and 133,646.79 is: 184,294.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,233.04 : 215,440.32 = 133,646.79 : x
  2. Step 2: Convert to fraction form
    156,233.04/215,440.32 = 133,646.79/x
  3. Step 3: Cross multiply
    156,233.04x = 215,440.32 × 133,646.79
  4. Step 4: Simplify right side
    156,233.04x = 28,792,907,204.57
  5. Step 5: Solve for x
    x = 28,792,907,204.57/156,233.04
  6. Step 6: Final answer
    x = 184,294.61

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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.