Home / 266,345.50-367,556.80-147,121.18

Finding the Fourth Proportional to 266,345.50, 367,556.80 and 147,121.18

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Solution

The fourth proportional to 266,345.50, 367,556.80 and 147,121.18 is: 203,027.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,345.50 : 367,556.80 = 147,121.18 : x
  2. Step 2: Convert to fraction form
    266,345.50/367,556.80 = 147,121.18/x
  3. Step 3: Cross multiply
    266,345.50x = 367,556.80 × 147,121.18
  4. Step 4: Simplify right side
    266,345.50x = 54,075,390,133.02
  5. Step 5: Solve for x
    x = 54,075,390,133.02/266,345.50
  6. Step 6: Final answer
    x = 203,027.23

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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.