Home / 155,764.90-233,800.95-76,968.10

Finding the Fourth Proportional to 155,764.90, 233,800.95 and 76,968.10

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Solution

The fourth proportional to 155,764.90, 233,800.95 and 76,968.10 is: 115,528.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,764.90 : 233,800.95 = 76,968.10 : x
  2. Step 2: Convert to fraction form
    155,764.90/233,800.95 = 76,968.10/x
  3. Step 3: Cross multiply
    155,764.90x = 233,800.95 × 76,968.10
  4. Step 4: Simplify right side
    155,764.90x = 17,995,214,899.70
  5. Step 5: Solve for x
    x = 17,995,214,899.70/155,764.90
  6. Step 6: Final answer
    x = 115,528.05

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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.