Home / 155,581.90-233,385.12-76,653.10

Finding the Fourth Proportional to 155,581.90, 233,385.12 and 76,653.10

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Solution

The fourth proportional to 155,581.90, 233,385.12 and 76,653.10 is: 114,985.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,581.90 : 233,385.12 = 76,653.10 : x
  2. Step 2: Convert to fraction form
    155,581.90/233,385.12 = 76,653.10/x
  3. Step 3: Cross multiply
    155,581.90x = 233,385.12 × 76,653.10
  4. Step 4: Simplify right side
    155,581.90x = 17,889,692,941.87
  5. Step 5: Solve for x
    x = 17,889,692,941.87/155,581.90
  6. Step 6: Final answer
    x = 114,985.70

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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.