Home / 98,280.12-147,374.10-58,340.28

Finding the Fourth Proportional to 98,280.12, 147,374.10 and 58,340.28

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Solution

The fourth proportional to 98,280.12, 147,374.10 and 58,340.28 is: 87,483.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,280.12 : 147,374.10 = 58,340.28 : x
  2. Step 2: Convert to fraction form
    98,280.12/147,374.10 = 58,340.28/x
  3. Step 3: Cross multiply
    98,280.12x = 147,374.10 × 58,340.28
  4. Step 4: Simplify right side
    98,280.12x = 8,597,846,258.75
  5. Step 5: Solve for x
    x = 8,597,846,258.75/98,280.12
  6. Step 6: Final answer
    x = 87,483.07

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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.