Home / 110,254.47-152,236.87-84,720.58

Finding the Fourth Proportional to 110,254.47, 152,236.87 and 84,720.58

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Solution

The fourth proportional to 110,254.47, 152,236.87 and 84,720.58 is: 116,980.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,254.47 : 152,236.87 = 84,720.58 : x
  2. Step 2: Convert to fraction form
    110,254.47/152,236.87 = 84,720.58/x
  3. Step 3: Cross multiply
    110,254.47x = 152,236.87 × 84,720.58
  4. Step 4: Simplify right side
    110,254.47x = 12,897,596,187.72
  5. Step 5: Solve for x
    x = 12,897,596,187.72/110,254.47
  6. Step 6: Final answer
    x = 116,980.26

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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.