Home / 117,275.16-176,148.04-69,982.50

Finding the Fourth Proportional to 117,275.16, 176,148.04 and 69,982.50

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Solution

The fourth proportional to 117,275.16, 176,148.04 and 69,982.50 is: 105,114.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,275.16 : 176,148.04 = 69,982.50 : x
  2. Step 2: Convert to fraction form
    117,275.16/176,148.04 = 69,982.50/x
  3. Step 3: Cross multiply
    117,275.16x = 176,148.04 × 69,982.50
  4. Step 4: Simplify right side
    117,275.16x = 12,327,280,209.30
  5. Step 5: Solve for x
    x = 12,327,280,209.30/117,275.16
  6. Step 6: Final answer
    x = 105,114.16

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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.