Home / 281,177.31-388,024.69-153,852.91

Finding the Fourth Proportional to 281,177.31, 388,024.69 and 153,852.91

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Solution

The fourth proportional to 281,177.31, 388,024.69 and 153,852.91 is: 212,317.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,177.31 : 388,024.69 = 153,852.91 : x
  2. Step 2: Convert to fraction form
    281,177.31/388,024.69 = 153,852.91/x
  3. Step 3: Cross multiply
    281,177.31x = 388,024.69 × 153,852.91
  4. Step 4: Simplify right side
    281,177.31x = 59,698,727,708.35
  5. Step 5: Solve for x
    x = 59,698,727,708.35/281,177.31
  6. Step 6: Final answer
    x = 212,317.02

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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.