Home / 109,207.20-163,592.10-62,405.40

Finding the Fourth Proportional to 109,207.20, 163,592.10 and 62,405.40

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Solution

The fourth proportional to 109,207.20, 163,592.10 and 62,405.40 is: 93,483.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,207.20 : 163,592.10 = 62,405.40 : x
  2. Step 2: Convert to fraction form
    109,207.20/163,592.10 = 62,405.40/x
  3. Step 3: Cross multiply
    109,207.20x = 163,592.10 × 62,405.40
  4. Step 4: Simplify right side
    109,207.20x = 10,209,030,437.34
  5. Step 5: Solve for x
    x = 10,209,030,437.34/109,207.20
  6. Step 6: Final answer
    x = 93,483.13

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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.