Home / 209,117.10-313,675.65-59,342.70

Finding the Fourth Proportional to 209,117.10, 313,675.65 and 59,342.70

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Solution

The fourth proportional to 209,117.10, 313,675.65 and 59,342.70 is: 89,014.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,117.10 : 313,675.65 = 59,342.70 : x
  2. Step 2: Convert to fraction form
    209,117.10/313,675.65 = 59,342.70/x
  3. Step 3: Cross multiply
    209,117.10x = 313,675.65 × 59,342.70
  4. Step 4: Simplify right side
    209,117.10x = 18,614,359,995.26
  5. Step 5: Solve for x
    x = 18,614,359,995.26/209,117.10
  6. Step 6: Final answer
    x = 89,014.05

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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.