Home / 117,585.10-176,326.62-42,680.35

Finding the Fourth Proportional to 117,585.10, 176,326.62 and 42,680.35

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Solution

The fourth proportional to 117,585.10, 176,326.62 and 42,680.35 is: 64,002.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,585.10 : 176,326.62 = 42,680.35 : x
  2. Step 2: Convert to fraction form
    117,585.10/176,326.62 = 42,680.35/x
  3. Step 3: Cross multiply
    117,585.10x = 176,326.62 × 42,680.35
  4. Step 4: Simplify right side
    117,585.10x = 7,525,681,855.92
  5. Step 5: Solve for x
    x = 7,525,681,855.92/117,585.10
  6. Step 6: Final answer
    x = 64,002.00

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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.