Home / 133,056.16-183,614.55-72,627.79

Finding the Fourth Proportional to 133,056.16, 183,614.55 and 72,627.79

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Solution

The fourth proportional to 133,056.16, 183,614.55 and 72,627.79 is: 100,224.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,056.16 : 183,614.55 = 72,627.79 : x
  2. Step 2: Convert to fraction form
    133,056.16/183,614.55 = 72,627.79/x
  3. Step 3: Cross multiply
    133,056.16x = 183,614.55 × 72,627.79
  4. Step 4: Simplify right side
    133,056.16x = 13,335,518,978.34
  5. Step 5: Solve for x
    x = 13,335,518,978.34/133,056.16
  6. Step 6: Final answer
    x = 100,224.74

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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.