Home / 277,234.48-382,587.98-156,378.16

Finding the Fourth Proportional to 277,234.48, 382,587.98 and 156,378.16

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Solution

The fourth proportional to 277,234.48, 382,587.98 and 156,378.16 is: 215,804.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,234.48 : 382,587.98 = 156,378.16 : x
  2. Step 2: Convert to fraction form
    277,234.48/382,587.98 = 156,378.16/x
  3. Step 3: Cross multiply
    277,234.48x = 382,587.98 × 156,378.16
  4. Step 4: Simplify right side
    277,234.48x = 59,828,401,655.69
  5. Step 5: Solve for x
    x = 59,828,401,655.69/277,234.48
  6. Step 6: Final answer
    x = 215,804.34

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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.