Home / 117,586.10-176,328.12-42,681.36

Finding the Fourth Proportional to 117,586.10, 176,328.12 and 42,681.36

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Solution

The fourth proportional to 117,586.10, 176,328.12 and 42,681.36 is: 64,003.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,586.10 : 176,328.12 = 42,681.36 : x
  2. Step 2: Convert to fraction form
    117,586.10/176,328.12 = 42,681.36/x
  3. Step 3: Cross multiply
    117,586.10x = 176,328.12 × 42,681.36
  4. Step 4: Simplify right side
    117,586.10x = 7,525,923,967.84
  5. Step 5: Solve for x
    x = 7,525,923,967.84/117,586.10
  6. Step 6: Final answer
    x = 64,003.52

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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.