Home / 163,904.30-245,856.45-162,349.10

Finding the Fourth Proportional to 163,904.30, 245,856.45 and 162,349.10

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Solution

The fourth proportional to 163,904.30, 245,856.45 and 162,349.10 is: 243,523.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,904.30 : 245,856.45 = 162,349.10 : x
  2. Step 2: Convert to fraction form
    163,904.30/245,856.45 = 162,349.10/x
  3. Step 3: Cross multiply
    163,904.30x = 245,856.45 × 162,349.10
  4. Step 4: Simplify right side
    163,904.30x = 39,914,573,386.70
  5. Step 5: Solve for x
    x = 39,914,573,386.70/163,904.30
  6. Step 6: Final answer
    x = 243,523.65

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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.