Home / 155,514.80-232,834.80-139,768.40

Finding the Fourth Proportional to 155,514.80, 232,834.80 and 139,768.40

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Solution

The fourth proportional to 155,514.80, 232,834.80 and 139,768.40 is: 209,259.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,514.80 : 232,834.80 = 139,768.40 : x
  2. Step 2: Convert to fraction form
    155,514.80/232,834.80 = 139,768.40/x
  3. Step 3: Cross multiply
    155,514.80x = 232,834.80 × 139,768.40
  4. Step 4: Simplify right side
    155,514.80x = 32,542,947,460.32
  5. Step 5: Solve for x
    x = 32,542,947,460.32/155,514.80
  6. Step 6: Final answer
    x = 209,259.49

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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.