Home / 147,393.51-221,117.70-47,543.25

Finding the Fourth Proportional to 147,393.51, 221,117.70 and 47,543.25

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Solution

The fourth proportional to 147,393.51, 221,117.70 and 47,543.25 is: 71,323.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,393.51 : 221,117.70 = 47,543.25 : x
  2. Step 2: Convert to fraction form
    147,393.51/221,117.70 = 47,543.25/x
  3. Step 3: Cross multiply
    147,393.51x = 221,117.70 × 47,543.25
  4. Step 4: Simplify right side
    147,393.51x = 10,512,654,830.57
  5. Step 5: Solve for x
    x = 10,512,654,830.57/147,393.51
  6. Step 6: Final answer
    x = 71,323.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.