Home / 133,003.68-183,549.50-72,577.63

Finding the Fourth Proportional to 133,003.68, 183,549.50 and 72,577.63

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Solution

The fourth proportional to 133,003.68, 183,549.50 and 72,577.63 is: 100,159.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,003.68 : 183,549.50 = 72,577.63 : x
  2. Step 2: Convert to fraction form
    133,003.68/183,549.50 = 72,577.63/x
  3. Step 3: Cross multiply
    133,003.68x = 183,549.50 × 72,577.63
  4. Step 4: Simplify right side
    133,003.68x = 13,321,588,637.70
  5. Step 5: Solve for x
    x = 13,321,588,637.70/133,003.68
  6. Step 6: Final answer
    x = 100,159.55

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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.