Home / 124,145.10-186,217.65-64,998.90

Finding the Fourth Proportional to 124,145.10, 186,217.65 and 64,998.90

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Solution

The fourth proportional to 124,145.10, 186,217.65 and 64,998.90 is: 97,498.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,145.10 : 186,217.65 = 64,998.90 : x
  2. Step 2: Convert to fraction form
    124,145.10/186,217.65 = 64,998.90/x
  3. Step 3: Cross multiply
    124,145.10x = 186,217.65 × 64,998.90
  4. Step 4: Simplify right side
    124,145.10x = 12,103,942,410.59
  5. Step 5: Solve for x
    x = 12,103,942,410.59/124,145.10
  6. Step 6: Final answer
    x = 97,498.35

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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.