Home / 250,015.77-345,030.03-136,838.52

Finding the Fourth Proportional to 250,015.77, 345,030.03 and 136,838.52

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Solution

The fourth proportional to 250,015.77, 345,030.03 and 136,838.52 is: 188,841.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,015.77 : 345,030.03 = 136,838.52 : x
  2. Step 2: Convert to fraction form
    250,015.77/345,030.03 = 136,838.52/x
  3. Step 3: Cross multiply
    250,015.77x = 345,030.03 × 136,838.52
  4. Step 4: Simplify right side
    250,015.77x = 47,213,398,660.76
  5. Step 5: Solve for x
    x = 47,213,398,660.76/250,015.77
  6. Step 6: Final answer
    x = 188,841.68

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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.