Home / 163,746.42-245,619.62-45,417.76

Finding the Fourth Proportional to 163,746.42, 245,619.62 and 45,417.76

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Solution

The fourth proportional to 163,746.42, 245,619.62 and 45,417.76 is: 68,126.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,746.42 : 245,619.62 = 45,417.76 : x
  2. Step 2: Convert to fraction form
    163,746.42/245,619.62 = 45,417.76/x
  3. Step 3: Cross multiply
    163,746.42x = 245,619.62 × 45,417.76
  4. Step 4: Simplify right side
    163,746.42x = 11,155,493,535.50
  5. Step 5: Solve for x
    x = 11,155,493,535.50/163,746.42
  6. Step 6: Final answer
    x = 68,126.64

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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.