Home / 109,210.92-150,715.90-61,467.36

Finding the Fourth Proportional to 109,210.92, 150,715.90 and 61,467.36

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Solution

The fourth proportional to 109,210.92, 150,715.90 and 61,467.36 is: 84,827.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,210.92 : 150,715.90 = 61,467.36 : x
  2. Step 2: Convert to fraction form
    109,210.92/150,715.90 = 61,467.36/x
  3. Step 3: Cross multiply
    109,210.92x = 150,715.90 × 61,467.36
  4. Step 4: Simplify right side
    109,210.92x = 9,264,108,483.02
  5. Step 5: Solve for x
    x = 9,264,108,483.02/109,210.92
  6. Step 6: Final answer
    x = 84,827.68

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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.