Home / 277,315.38-382,695.30-156,482.28

Finding the Fourth Proportional to 277,315.38, 382,695.30 and 156,482.28

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Solution

The fourth proportional to 277,315.38, 382,695.30 and 156,482.28 is: 215,945.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,315.38 : 382,695.30 = 156,482.28 : x
  2. Step 2: Convert to fraction form
    277,315.38/382,695.30 = 156,482.28/x
  3. Step 3: Cross multiply
    277,315.38x = 382,695.30 × 156,482.28
  4. Step 4: Simplify right side
    277,315.38x = 59,885,033,089.28
  5. Step 5: Solve for x
    x = 59,885,033,089.28/277,315.38
  6. Step 6: Final answer
    x = 215,945.59

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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.