Home / 117,545.28-176,145.02-69,464.40

Finding the Fourth Proportional to 117,545.28, 176,145.02 and 69,464.40

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Solution

The fourth proportional to 117,545.28, 176,145.02 and 69,464.40 is: 104,094.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,545.28 : 176,145.02 = 69,464.40 : x
  2. Step 2: Convert to fraction form
    117,545.28/176,145.02 = 69,464.40/x
  3. Step 3: Cross multiply
    117,545.28x = 176,145.02 × 69,464.40
  4. Step 4: Simplify right side
    117,545.28x = 12,235,808,127.29
  5. Step 5: Solve for x
    x = 12,235,808,127.29/117,545.28
  6. Step 6: Final answer
    x = 104,094.42

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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.