Home / 375,146.80-517,768.02-222,271.07

Finding the Fourth Proportional to 375,146.80, 517,768.02 and 222,271.07

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Solution

The fourth proportional to 375,146.80, 517,768.02 and 222,271.07 is: 306,772.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,146.80 : 517,768.02 = 222,271.07 : x
  2. Step 2: Convert to fraction form
    375,146.80/517,768.02 = 222,271.07/x
  3. Step 3: Cross multiply
    375,146.80x = 517,768.02 × 222,271.07
  4. Step 4: Simplify right side
    375,146.80x = 115,084,849,228.34
  5. Step 5: Solve for x
    x = 115,084,849,228.34/375,146.80
  6. Step 6: Final answer
    x = 306,772.84

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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.