Home / 155,763.40-233,798.70-76,966.60

Finding the Fourth Proportional to 155,763.40, 233,798.70 and 76,966.60

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Solution

The fourth proportional to 155,763.40, 233,798.70 and 76,966.60 is: 115,525.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,763.40 : 233,798.70 = 76,966.60 : x
  2. Step 2: Convert to fraction form
    155,763.40/233,798.70 = 76,966.60/x
  3. Step 3: Cross multiply
    155,763.40x = 233,798.70 × 76,966.60
  4. Step 4: Simplify right side
    155,763.40x = 17,994,691,023.42
  5. Step 5: Solve for x
    x = 17,994,691,023.42/155,763.40
  6. Step 6: Final answer
    x = 115,525.80

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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.