Home / 209,393.11-314,193.45-83,030.65

Finding the Fourth Proportional to 209,393.11, 314,193.45 and 83,030.65

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Solution

The fourth proportional to 209,393.11, 314,193.45 and 83,030.65 is: 124,587.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,393.11 : 314,193.45 = 83,030.65 : x
  2. Step 2: Convert to fraction form
    209,393.11/314,193.45 = 83,030.65/x
  3. Step 3: Cross multiply
    209,393.11x = 314,193.45 × 83,030.65
  4. Step 4: Simplify right side
    209,393.11x = 26,087,686,379.24
  5. Step 5: Solve for x
    x = 26,087,686,379.24/209,393.11
  6. Step 6: Final answer
    x = 124,587.13

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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.