Home / 183,411.58-275,117.37-76,777.10

Finding the Fourth Proportional to 183,411.58, 275,117.37 and 76,777.10

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Solution

The fourth proportional to 183,411.58, 275,117.37 and 76,777.10 is: 115,165.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,411.58 : 275,117.37 = 76,777.10 : x
  2. Step 2: Convert to fraction form
    183,411.58/275,117.37 = 76,777.10/x
  3. Step 3: Cross multiply
    183,411.58x = 275,117.37 × 76,777.10
  4. Step 4: Simplify right side
    183,411.58x = 21,122,713,444.34
  5. Step 5: Solve for x
    x = 21,122,713,444.34/183,411.58
  6. Step 6: Final answer
    x = 115,165.65

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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.