Home / 286,246.79-395,005.15-158,914.18

Finding the Fourth Proportional to 286,246.79, 395,005.15 and 158,914.18

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Solution

The fourth proportional to 286,246.79, 395,005.15 and 158,914.18 is: 219,293.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,246.79 : 395,005.15 = 158,914.18 : x
  2. Step 2: Convert to fraction form
    286,246.79/395,005.15 = 158,914.18/x
  3. Step 3: Cross multiply
    286,246.79x = 395,005.15 × 158,914.18
  4. Step 4: Simplify right side
    286,246.79x = 62,771,918,713.46
  5. Step 5: Solve for x
    x = 62,771,918,713.46/286,246.79
  6. Step 6: Final answer
    x = 219,293.00

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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.