Home / 352,023.32-528,075.95-127,489.47

Finding the Fourth Proportional to 352,023.32, 528,075.95 and 127,489.47

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Solution

The fourth proportional to 352,023.32, 528,075.95 and 127,489.47 is: 191,249.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,023.32 : 528,075.95 = 127,489.47 : x
  2. Step 2: Convert to fraction form
    352,023.32/528,075.95 = 127,489.47/x
  3. Step 3: Cross multiply
    352,023.32x = 528,075.95 × 127,489.47
  4. Step 4: Simplify right side
    352,023.32x = 67,324,122,347.80
  5. Step 5: Solve for x
    x = 67,324,122,347.80/352,023.32
  6. Step 6: Final answer
    x = 191,249.04

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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.