Home / 153,335.03-211,608.45-92,871.56

Finding the Fourth Proportional to 153,335.03, 211,608.45 and 92,871.56

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Solution

The fourth proportional to 153,335.03, 211,608.45 and 92,871.56 is: 128,166.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,335.03 : 211,608.45 = 92,871.56 : x
  2. Step 2: Convert to fraction form
    153,335.03/211,608.45 = 92,871.56/x
  3. Step 3: Cross multiply
    153,335.03x = 211,608.45 × 92,871.56
  4. Step 4: Simplify right side
    153,335.03x = 19,652,407,389.70
  5. Step 5: Solve for x
    x = 19,652,407,389.70/153,335.03
  6. Step 6: Final answer
    x = 128,166.46

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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.