Home / 277,420.92-382,840.74-156,587.56

Finding the Fourth Proportional to 277,420.92, 382,840.74 and 156,587.56

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Solution

The fourth proportional to 277,420.92, 382,840.74 and 156,587.56 is: 216,090.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,420.92 : 382,840.74 = 156,587.56 : x
  2. Step 2: Convert to fraction form
    277,420.92/382,840.74 = 156,587.56/x
  3. Step 3: Cross multiply
    277,420.92x = 382,840.74 × 156,587.56
  4. Step 4: Simplify right side
    277,420.92x = 59,948,097,345.19
  5. Step 5: Solve for x
    x = 59,948,097,345.19/277,420.92
  6. Step 6: Final answer
    x = 216,090.76

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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.