Home / 272,452.92-375,981.42-153,220.92

Finding the Fourth Proportional to 272,452.92, 375,981.42 and 153,220.92

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Solution

The fourth proportional to 272,452.92, 375,981.42 and 153,220.92 is: 211,442.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,452.92 : 375,981.42 = 153,220.92 : x
  2. Step 2: Convert to fraction form
    272,452.92/375,981.42 = 153,220.92/x
  3. Step 3: Cross multiply
    272,452.92x = 375,981.42 × 153,220.92
  4. Step 4: Simplify right side
    272,452.92x = 57,608,219,075.31
  5. Step 5: Solve for x
    x = 57,608,219,075.31/272,452.92
  6. Step 6: Final answer
    x = 211,442.84

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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.