Home / 176,649.72-243,681.98-122,841.32

Finding the Fourth Proportional to 176,649.72, 243,681.98 and 122,841.32

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Solution

The fourth proportional to 176,649.72, 243,681.98 and 122,841.32 is: 169,455.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,649.72 : 243,681.98 = 122,841.32 : x
  2. Step 2: Convert to fraction form
    176,649.72/243,681.98 = 122,841.32/x
  3. Step 3: Cross multiply
    176,649.72x = 243,681.98 × 122,841.32
  4. Step 4: Simplify right side
    176,649.72x = 29,934,216,083.41
  5. Step 5: Solve for x
    x = 29,934,216,083.41/176,649.72
  6. Step 6: Final answer
    x = 169,455.21

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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.