Home / 153,090.51-211,266.02-84,181.17

Finding the Fourth Proportional to 153,090.51, 211,266.02 and 84,181.17

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Solution

The fourth proportional to 153,090.51, 211,266.02 and 84,181.17 is: 116,170.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,090.51 : 211,266.02 = 84,181.17 : x
  2. Step 2: Convert to fraction form
    153,090.51/211,266.02 = 84,181.17/x
  3. Step 3: Cross multiply
    153,090.51x = 211,266.02 × 84,181.17
  4. Step 4: Simplify right side
    153,090.51x = 17,784,621,747.54
  5. Step 5: Solve for x
    x = 17,784,621,747.54/153,090.51
  6. Step 6: Final answer
    x = 116,170.64

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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.