Home / 277,019.08-382,290.80-156,166.28

Finding the Fourth Proportional to 277,019.08, 382,290.80 and 156,166.28

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Solution

The fourth proportional to 277,019.08, 382,290.80 and 156,166.28 is: 215,511.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,019.08 : 382,290.80 = 156,166.28 : x
  2. Step 2: Convert to fraction form
    277,019.08/382,290.80 = 156,166.28/x
  3. Step 3: Cross multiply
    277,019.08x = 382,290.80 × 156,166.28
  4. Step 4: Simplify right side
    277,019.08x = 59,700,932,114.22
  5. Step 5: Solve for x
    x = 59,700,932,114.22/277,019.08
  6. Step 6: Final answer
    x = 215,511.99

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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.