Home / 220,316.94-304,012.71-124,803.18

Finding the Fourth Proportional to 220,316.94, 304,012.71 and 124,803.18

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Solution

The fourth proportional to 220,316.94, 304,012.71 and 124,803.18 is: 172,214.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,316.94 : 304,012.71 = 124,803.18 : x
  2. Step 2: Convert to fraction form
    220,316.94/304,012.71 = 124,803.18/x
  3. Step 3: Cross multiply
    220,316.94x = 304,012.71 × 124,803.18
  4. Step 4: Simplify right side
    220,316.94x = 37,941,752,968.42
  5. Step 5: Solve for x
    x = 37,941,752,968.42/220,316.94
  6. Step 6: Final answer
    x = 172,214.42

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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.