Home / 107,163-160,748.15-43,120.35

Finding the Fourth Proportional to 107,163, 160,748.15 and 43,120.35

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Solution

The fourth proportional to 107,163, 160,748.15 and 43,120.35 is: 64,681.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,163 : 160,748.15 = 43,120.35 : x
  2. Step 2: Convert to fraction form
    107,163/160,748.15 = 43,120.35/x
  3. Step 3: Cross multiply
    107,163x = 160,748.15 × 43,120.35
  4. Step 4: Simplify right side
    107,163x = 6,931,516,274.25
  5. Step 5: Solve for x
    x = 6,931,516,274.25/107,163
  6. Step 6: Final answer
    x = 64,681.99

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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.