Home / 177,783.40-266,675.35-72,602.36

Finding the Fourth Proportional to 177,783.40, 266,675.35 and 72,602.36

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Solution

The fourth proportional to 177,783.40, 266,675.35 and 72,602.36 is: 108,903.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,783.40 : 266,675.35 = 72,602.36 : x
  2. Step 2: Convert to fraction form
    177,783.40/266,675.35 = 72,602.36/x
  3. Step 3: Cross multiply
    177,783.40x = 266,675.35 × 72,602.36
  4. Step 4: Simplify right side
    177,783.40x = 19,361,259,763.83
  5. Step 5: Solve for x
    x = 19,361,259,763.83/177,783.40
  6. Step 6: Final answer
    x = 108,903.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.