Home / 102,348.14-153,545.58-31,280.90

Finding the Fourth Proportional to 102,348.14, 153,545.58 and 31,280.90

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Solution

The fourth proportional to 102,348.14, 153,545.58 and 31,280.90 is: 46,928.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,348.14 : 153,545.58 = 31,280.90 : x
  2. Step 2: Convert to fraction form
    102,348.14/153,545.58 = 31,280.90/x
  3. Step 3: Cross multiply
    102,348.14x = 153,545.58 × 31,280.90
  4. Step 4: Simplify right side
    102,348.14x = 4,803,043,165.69
  5. Step 5: Solve for x
    x = 4,803,043,165.69/102,348.14
  6. Step 6: Final answer
    x = 46,928.48

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1.5x scale

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.