Home / 319,534.07-440,944.76-176,291.64

Finding the Fourth Proportional to 319,534.07, 440,944.76 and 176,291.64

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Solution

The fourth proportional to 319,534.07, 440,944.76 and 176,291.64 is: 243,275.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,534.07 : 440,944.76 = 176,291.64 : x
  2. Step 2: Convert to fraction form
    319,534.07/440,944.76 = 176,291.64/x
  3. Step 3: Cross multiply
    319,534.07x = 440,944.76 × 176,291.64
  4. Step 4: Simplify right side
    319,534.07x = 77,734,875,330.54
  5. Step 5: Solve for x
    x = 77,734,875,330.54/319,534.07
  6. Step 6: Final answer
    x = 243,275.71

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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.