Home / 314,556.48-434,092.87-171,316.40

Finding the Fourth Proportional to 314,556.48, 434,092.87 and 171,316.40

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Solution

The fourth proportional to 314,556.48, 434,092.87 and 171,316.40 is: 236,419.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,556.48 : 434,092.87 = 171,316.40 : x
  2. Step 2: Convert to fraction form
    314,556.48/434,092.87 = 171,316.40/x
  3. Step 3: Cross multiply
    314,556.48x = 434,092.87 × 171,316.40
  4. Step 4: Simplify right side
    314,556.48x = 74,367,227,754.07
  5. Step 5: Solve for x
    x = 74,367,227,754.07/314,556.48
  6. Step 6: Final answer
    x = 236,419.32

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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.