Home / 133,024.48-183,597.20-79,312.80

Finding the Fourth Proportional to 133,024.48, 183,597.20 and 79,312.80

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Solution

The fourth proportional to 133,024.48, 183,597.20 and 79,312.80 is: 109,465.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,024.48 : 183,597.20 = 79,312.80 : x
  2. Step 2: Convert to fraction form
    133,024.48/183,597.20 = 79,312.80/x
  3. Step 3: Cross multiply
    133,024.48x = 183,597.20 × 79,312.80
  4. Step 4: Simplify right side
    133,024.48x = 14,561,608,004.16
  5. Step 5: Solve for x
    x = 14,561,608,004.16/133,024.48
  6. Step 6: Final answer
    x = 109,465.63

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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.