Home / 178,178.70-245,689.56-113,545.55

Finding the Fourth Proportional to 178,178.70, 245,689.56 and 113,545.55

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Solution

The fourth proportional to 178,178.70, 245,689.56 and 113,545.55 is: 156,567.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,178.70 : 245,689.56 = 113,545.55 : x
  2. Step 2: Convert to fraction form
    178,178.70/245,689.56 = 113,545.55/x
  3. Step 3: Cross multiply
    178,178.70x = 245,689.56 × 113,545.55
  4. Step 4: Simplify right side
    178,178.70x = 27,896,956,219.46
  5. Step 5: Solve for x
    x = 27,896,956,219.46/178,178.70
  6. Step 6: Final answer
    x = 156,567.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.