Home / 177,362.10-266,075.55-72,191.70

Finding the Fourth Proportional to 177,362.10, 266,075.55 and 72,191.70

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Solution

The fourth proportional to 177,362.10, 266,075.55 and 72,191.70 is: 108,300.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,362.10 : 266,075.55 = 72,191.70 : x
  2. Step 2: Convert to fraction form
    177,362.10/266,075.55 = 72,191.70/x
  3. Step 3: Cross multiply
    177,362.10x = 266,075.55 × 72,191.70
  4. Step 4: Simplify right side
    177,362.10x = 19,208,446,282.94
  5. Step 5: Solve for x
    x = 19,208,446,282.94/177,362.10
  6. Step 6: Final answer
    x = 108,300.74

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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.