Home / 109,207.83-163,851.17-38,140.93

Finding the Fourth Proportional to 109,207.83, 163,851.17 and 38,140.93

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Solution

The fourth proportional to 109,207.83, 163,851.17 and 38,140.93 is: 57,225.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,207.83 : 163,851.17 = 38,140.93 : x
  2. Step 2: Convert to fraction form
    109,207.83/163,851.17 = 38,140.93/x
  3. Step 3: Cross multiply
    109,207.83x = 163,851.17 × 38,140.93
  4. Step 4: Simplify right side
    109,207.83x = 6,249,436,005.39
  5. Step 5: Solve for x
    x = 6,249,436,005.39/109,207.83
  6. Step 6: Final answer
    x = 57,225.16

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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.