Home / 157,184.12-235,643.90-68,370.72

Finding the Fourth Proportional to 157,184.12, 235,643.90 and 68,370.72

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Solution

The fourth proportional to 157,184.12, 235,643.90 and 68,370.72 is: 102,498.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,184.12 : 235,643.90 = 68,370.72 : x
  2. Step 2: Convert to fraction form
    157,184.12/235,643.90 = 68,370.72/x
  3. Step 3: Cross multiply
    157,184.12x = 235,643.90 × 68,370.72
  4. Step 4: Simplify right side
    157,184.12x = 16,111,143,106.61
  5. Step 5: Solve for x
    x = 16,111,143,106.61/157,184.12
  6. Step 6: Final answer
    x = 102,498.54

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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.