Home / 265,210.20-397,846.08-87,718.55

Finding the Fourth Proportional to 265,210.20, 397,846.08 and 87,718.55

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Solution

The fourth proportional to 265,210.20, 397,846.08 and 87,718.55 is: 131,588.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,210.20 : 397,846.08 = 87,718.55 : x
  2. Step 2: Convert to fraction form
    265,210.20/397,846.08 = 87,718.55/x
  3. Step 3: Cross multiply
    265,210.20x = 397,846.08 × 87,718.55
  4. Step 4: Simplify right side
    265,210.20x = 34,898,479,271.55
  5. Step 5: Solve for x
    x = 34,898,479,271.55/265,210.20
  6. Step 6: Final answer
    x = 131,588.00

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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.