Home / 163,746.08-245,619.10-45,417.42

Finding the Fourth Proportional to 163,746.08, 245,619.10 and 45,417.42

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Solution

The fourth proportional to 163,746.08, 245,619.10 and 45,417.42 is: 68,126.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,746.08 : 245,619.10 = 45,417.42 : x
  2. Step 2: Convert to fraction form
    163,746.08/245,619.10 = 45,417.42/x
  3. Step 3: Cross multiply
    163,746.08x = 245,619.10 × 45,417.42
  4. Step 4: Simplify right side
    163,746.08x = 11,155,385,824.72
  5. Step 5: Solve for x
    x = 11,155,385,824.72/163,746.08
  6. Step 6: Final answer
    x = 68,126.12

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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.