Home / 217,559.92-326,437.77-117,603.09

Finding the Fourth Proportional to 217,559.92, 326,437.77 and 117,603.09

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Solution

The fourth proportional to 217,559.92, 326,437.77 and 117,603.09 is: 176,457.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,559.92 : 326,437.77 = 117,603.09 : x
  2. Step 2: Convert to fraction form
    217,559.92/326,437.77 = 117,603.09/x
  3. Step 3: Cross multiply
    217,559.92x = 326,437.77 × 117,603.09
  4. Step 4: Simplify right side
    217,559.92x = 38,390,090,444.71
  5. Step 5: Solve for x
    x = 38,390,090,444.71/217,559.92
  6. Step 6: Final answer
    x = 176,457.55

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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.