Home / 133,053.72-183,606.28-72,612.19

Finding the Fourth Proportional to 133,053.72, 183,606.28 and 72,612.19

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Solution

The fourth proportional to 133,053.72, 183,606.28 and 72,612.19 is: 100,200.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,053.72 : 183,606.28 = 72,612.19 : x
  2. Step 2: Convert to fraction form
    133,053.72/183,606.28 = 72,612.19/x
  3. Step 3: Cross multiply
    133,053.72x = 183,606.28 × 72,612.19
  4. Step 4: Simplify right side
    133,053.72x = 13,332,054,088.55
  5. Step 5: Solve for x
    x = 13,332,054,088.55/133,053.72
  6. Step 6: Final answer
    x = 100,200.54

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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.