Home / 261,742.16-392,566.52-69,617.67

Finding the Fourth Proportional to 261,742.16, 392,566.52 and 69,617.67

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Solution

The fourth proportional to 261,742.16, 392,566.52 and 69,617.67 is: 104,414.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,742.16 : 392,566.52 = 69,617.67 : x
  2. Step 2: Convert to fraction form
    261,742.16/392,566.52 = 69,617.67/x
  3. Step 3: Cross multiply
    261,742.16x = 392,566.52 × 69,617.67
  4. Step 4: Simplify right side
    261,742.16x = 27,329,566,094.32
  5. Step 5: Solve for x
    x = 27,329,566,094.32/261,742.16
  6. Step 6: Final answer
    x = 104,414.08

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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.