Home / 177,787.26-266,681.15-72,606.23

Finding the Fourth Proportional to 177,787.26, 266,681.15 and 72,606.23

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Solution

The fourth proportional to 177,787.26, 266,681.15 and 72,606.23 is: 108,909.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,787.26 : 266,681.15 = 72,606.23 : x
  2. Step 2: Convert to fraction form
    177,787.26/266,681.15 = 72,606.23/x
  3. Step 3: Cross multiply
    177,787.26x = 266,681.15 × 72,606.23
  4. Step 4: Simplify right side
    177,787.26x = 19,362,712,913.56
  5. Step 5: Solve for x
    x = 19,362,712,913.56/177,787.26
  6. Step 6: Final answer
    x = 108,909.45

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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.