Home / 155,627.10-233,440.65-76,895.10

Finding the Fourth Proportional to 155,627.10, 233,440.65 and 76,895.10

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Solution

The fourth proportional to 155,627.10, 233,440.65 and 76,895.10 is: 115,342.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,627.10 : 233,440.65 = 76,895.10 : x
  2. Step 2: Convert to fraction form
    155,627.10/233,440.65 = 76,895.10/x
  3. Step 3: Cross multiply
    155,627.10x = 233,440.65 × 76,895.10
  4. Step 4: Simplify right side
    155,627.10x = 17,950,442,125.82
  5. Step 5: Solve for x
    x = 17,950,442,125.82/155,627.10
  6. Step 6: Final answer
    x = 115,342.65

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1.5x scale

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.