Home / 319,707.72-441,165.20-176,458.50

Finding the Fourth Proportional to 319,707.72, 441,165.20 and 176,458.50

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Solution

The fourth proportional to 319,707.72, 441,165.20 and 176,458.50 is: 243,495.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,707.72 : 441,165.20 = 176,458.50 : x
  2. Step 2: Convert to fraction form
    319,707.72/441,165.20 = 176,458.50/x
  3. Step 3: Cross multiply
    319,707.72x = 441,165.20 × 176,458.50
  4. Step 4: Simplify right side
    319,707.72x = 77,847,349,444.20
  5. Step 5: Solve for x
    x = 77,847,349,444.20/319,707.72
  6. Step 6: Final answer
    x = 243,495.37

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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.