Home / 250,373.04-345,503.52-137,193.36

Finding the Fourth Proportional to 250,373.04, 345,503.52 and 137,193.36

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Solution

The fourth proportional to 250,373.04, 345,503.52 and 137,193.36 is: 189,320.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,373.04 : 345,503.52 = 137,193.36 : x
  2. Step 2: Convert to fraction form
    250,373.04/345,503.52 = 137,193.36/x
  3. Step 3: Cross multiply
    250,373.04x = 345,503.52 × 137,193.36
  4. Step 4: Simplify right side
    250,373.04x = 47,400,788,800.63
  5. Step 5: Solve for x
    x = 47,400,788,800.63/250,373.04
  6. Step 6: Final answer
    x = 189,320.66

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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.