Home / 112,538.10-168,807.15-94,823.40

Finding the Fourth Proportional to 112,538.10, 168,807.15 and 94,823.40

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Solution

The fourth proportional to 112,538.10, 168,807.15 and 94,823.40 is: 142,235.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,538.10 : 168,807.15 = 94,823.40 : x
  2. Step 2: Convert to fraction form
    112,538.10/168,807.15 = 94,823.40/x
  3. Step 3: Cross multiply
    112,538.10x = 168,807.15 × 94,823.40
  4. Step 4: Simplify right side
    112,538.10x = 16,006,867,907.31
  5. Step 5: Solve for x
    x = 16,006,867,907.31/112,538.10
  6. Step 6: Final answer
    x = 142,235.10

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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.