Home / 155,169.47-214,127.80-94,841.08

Finding the Fourth Proportional to 155,169.47, 214,127.80 and 94,841.08

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Solution

The fourth proportional to 155,169.47, 214,127.80 and 94,841.08 is: 130,876.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,169.47 : 214,127.80 = 94,841.08 : x
  2. Step 2: Convert to fraction form
    155,169.47/214,127.80 = 94,841.08/x
  3. Step 3: Cross multiply
    155,169.47x = 214,127.80 × 94,841.08
  4. Step 4: Simplify right side
    155,169.47x = 20,308,111,571.08
  5. Step 5: Solve for x
    x = 20,308,111,571.08/155,169.47
  6. Step 6: Final answer
    x = 130,876.98

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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.