Home / 292,574.16-438,876.36-92,910.12

Finding the Fourth Proportional to 292,574.16, 438,876.36 and 92,910.12

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Solution

The fourth proportional to 292,574.16, 438,876.36 and 92,910.12 is: 139,369.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,574.16 : 438,876.36 = 92,910.12 : x
  2. Step 2: Convert to fraction form
    292,574.16/438,876.36 = 92,910.12/x
  3. Step 3: Cross multiply
    292,574.16x = 438,876.36 × 92,910.12
  4. Step 4: Simplify right side
    292,574.16x = 40,776,055,272.76
  5. Step 5: Solve for x
    x = 40,776,055,272.76/292,574.16
  6. Step 6: Final answer
    x = 139,369.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.