Home / 163,495.09-245,142.27-63,538.57

Finding the Fourth Proportional to 163,495.09, 245,142.27 and 63,538.57

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Solution

The fourth proportional to 163,495.09, 245,142.27 and 63,538.57 is: 95,268.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,495.09 : 245,142.27 = 63,538.57 : x
  2. Step 2: Convert to fraction form
    163,495.09/245,142.27 = 63,538.57/x
  3. Step 3: Cross multiply
    163,495.09x = 245,142.27 × 63,538.57
  4. Step 4: Simplify right side
    163,495.09x = 15,575,988,669.50
  5. Step 5: Solve for x
    x = 15,575,988,669.50/163,495.09
  6. Step 6: Final answer
    x = 95,268.85

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1.5x scale

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.