Home / 217,595.54-326,493.75-99,303.14

Finding the Fourth Proportional to 217,595.54, 326,493.75 and 99,303.14

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Solution

The fourth proportional to 217,595.54, 326,493.75 and 99,303.14 is: 149,000.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,595.54 : 326,493.75 = 99,303.14 : x
  2. Step 2: Convert to fraction form
    217,595.54/326,493.75 = 99,303.14/x
  3. Step 3: Cross multiply
    217,595.54x = 326,493.75 × 99,303.14
  4. Step 4: Simplify right side
    217,595.54x = 32,421,854,565.38
  5. Step 5: Solve for x
    x = 32,421,854,565.38/217,595.54
  6. Step 6: Final answer
    x = 149,000.55

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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.