Home / 163,368.09-245,064.42-45,038.43

Finding the Fourth Proportional to 163,368.09, 245,064.42 and 45,038.43

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Solution

The fourth proportional to 163,368.09, 245,064.42 and 45,038.43 is: 67,561.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,368.09 : 245,064.42 = 45,038.43 : x
  2. Step 2: Convert to fraction form
    163,368.09/245,064.42 = 45,038.43/x
  3. Step 3: Cross multiply
    163,368.09x = 245,064.42 × 45,038.43
  4. Step 4: Simplify right side
    163,368.09x = 11,037,316,725.66
  5. Step 5: Solve for x
    x = 11,037,316,725.66/163,368.09
  6. Step 6: Final answer
    x = 67,561.03

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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.