Home / 277,340.36-382,729.78-156,507.32

Finding the Fourth Proportional to 277,340.36, 382,729.78 and 156,507.32

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Solution

The fourth proportional to 277,340.36, 382,729.78 and 156,507.32 is: 215,980.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,340.36 : 382,729.78 = 156,507.32 : x
  2. Step 2: Convert to fraction form
    277,340.36/382,729.78 = 156,507.32/x
  3. Step 3: Cross multiply
    277,340.36x = 382,729.78 × 156,507.32
  4. Step 4: Simplify right side
    277,340.36x = 59,900,012,151.99
  5. Step 5: Solve for x
    x = 59,900,012,151.99/277,340.36
  6. Step 6: Final answer
    x = 215,980.15

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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.