Home / 172,113.92-237,518.88-99,511.36

Finding the Fourth Proportional to 172,113.92, 237,518.88 and 99,511.36

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Solution

The fourth proportional to 172,113.92, 237,518.88 and 99,511.36 is: 137,326.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,113.92 : 237,518.88 = 99,511.36 : x
  2. Step 2: Convert to fraction form
    172,113.92/237,518.88 = 99,511.36/x
  3. Step 3: Cross multiply
    172,113.92x = 237,518.88 × 99,511.36
  4. Step 4: Simplify right side
    172,113.92x = 23,635,826,774.48
  5. Step 5: Solve for x
    x = 23,635,826,774.48/172,113.92
  6. Step 6: Final answer
    x = 137,326.64

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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.