Home / 251,159.33-346,603.66-136,440.25

Finding the Fourth Proportional to 251,159.33, 346,603.66 and 136,440.25

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Solution

The fourth proportional to 251,159.33, 346,603.66 and 136,440.25 is: 188,289.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,159.33 : 346,603.66 = 136,440.25 : x
  2. Step 2: Convert to fraction form
    251,159.33/346,603.66 = 136,440.25/x
  3. Step 3: Cross multiply
    251,159.33x = 346,603.66 × 136,440.25
  4. Step 4: Simplify right side
    251,159.33x = 47,290,688,813.71
  5. Step 5: Solve for x
    x = 47,290,688,813.71/251,159.33
  6. Step 6: Final answer
    x = 188,289.59

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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.