Home / 153,386.41-230,090.13-52,143.26

Finding the Fourth Proportional to 153,386.41, 230,090.13 and 52,143.26

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Solution

The fourth proportional to 153,386.41, 230,090.13 and 52,143.26 is: 78,218.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,386.41 : 230,090.13 = 52,143.26 : x
  2. Step 2: Convert to fraction form
    153,386.41/230,090.13 = 52,143.26/x
  3. Step 3: Cross multiply
    153,386.41x = 230,090.13 × 52,143.26
  4. Step 4: Simplify right side
    153,386.41x = 11,997,649,927.03
  5. Step 5: Solve for x
    x = 11,997,649,927.03/153,386.41
  6. Step 6: Final answer
    x = 78,218.47

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1.5x scale

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.