Home / 319,749.43-441,254.28-176,509.57

Finding the Fourth Proportional to 319,749.43, 441,254.28 and 176,509.57

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Solution

The fourth proportional to 319,749.43, 441,254.28 and 176,509.57 is: 243,583.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,749.43 : 441,254.28 = 176,509.57 : x
  2. Step 2: Convert to fraction form
    319,749.43/441,254.28 = 176,509.57/x
  3. Step 3: Cross multiply
    319,749.43x = 441,254.28 × 176,509.57
  4. Step 4: Simplify right side
    319,749.43x = 77,885,601,017.19
  5. Step 5: Solve for x
    x = 77,885,601,017.19/319,749.43
  6. Step 6: Final answer
    x = 243,583.24

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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.