Home / 319,335.63-440,677.04-176,108.91

Finding the Fourth Proportional to 319,335.63, 440,677.04 and 176,108.91

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Solution

The fourth proportional to 319,335.63, 440,677.04 and 176,108.91 is: 243,026.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,335.63 : 440,677.04 = 176,108.91 : x
  2. Step 2: Convert to fraction form
    319,335.63/440,677.04 = 176,108.91/x
  3. Step 3: Cross multiply
    319,335.63x = 440,677.04 × 176,108.91
  4. Step 4: Simplify right side
    319,335.63x = 77,607,152,295.88
  5. Step 5: Solve for x
    x = 77,607,152,295.88/319,335.63
  6. Step 6: Final answer
    x = 243,026.91

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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.