Home / 217,148.15-326,082.87-146,525.06

Finding the Fourth Proportional to 217,148.15, 326,082.87 and 146,525.06

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Solution

The fourth proportional to 217,148.15, 326,082.87 and 146,525.06 is: 220,030.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,148.15 : 326,082.87 = 146,525.06 : x
  2. Step 2: Convert to fraction form
    217,148.15/326,082.87 = 146,525.06/x
  3. Step 3: Cross multiply
    217,148.15x = 326,082.87 × 146,525.06
  4. Step 4: Simplify right side
    217,148.15x = 47,779,310,461.31
  5. Step 5: Solve for x
    x = 47,779,310,461.31/217,148.15
  6. Step 6: Final answer
    x = 220,030.94

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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.