Home / 286,659.35-395,594.64-157,603.28

Finding the Fourth Proportional to 286,659.35, 395,594.64 and 157,603.28

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Solution

The fourth proportional to 286,659.35, 395,594.64 and 157,603.28 is: 217,495.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,659.35 : 395,594.64 = 157,603.28 : x
  2. Step 2: Convert to fraction form
    286,659.35/395,594.64 = 157,603.28/x
  3. Step 3: Cross multiply
    286,659.35x = 395,594.64 × 157,603.28
  4. Step 4: Simplify right side
    286,659.35x = 62,347,012,814.42
  5. Step 5: Solve for x
    x = 62,347,012,814.42/286,659.35
  6. Step 6: Final answer
    x = 217,495.13

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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.