Home / 277,027.60-382,331.76-156,192.16

Finding the Fourth Proportional to 277,027.60, 382,331.76 and 156,192.16

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Solution

The fourth proportional to 277,027.60, 382,331.76 and 156,192.16 is: 215,564.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,027.60 : 382,331.76 = 156,192.16 : x
  2. Step 2: Convert to fraction form
    277,027.60/382,331.76 = 156,192.16/x
  3. Step 3: Cross multiply
    277,027.60x = 382,331.76 × 156,192.16
  4. Step 4: Simplify right side
    277,027.60x = 59,717,223,431.00
  5. Step 5: Solve for x
    x = 59,717,223,431.00/277,027.60
  6. Step 6: Final answer
    x = 215,564.17

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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.