Home / 209,570.13-289,195.05-114,071.13

Finding the Fourth Proportional to 209,570.13, 289,195.05 and 114,071.13

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Solution

The fourth proportional to 209,570.13, 289,195.05 and 114,071.13 is: 157,411.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,570.13 : 289,195.05 = 114,071.13 : x
  2. Step 2: Convert to fraction form
    209,570.13/289,195.05 = 114,071.13/x
  3. Step 3: Cross multiply
    209,570.13x = 289,195.05 × 114,071.13
  4. Step 4: Simplify right side
    209,570.13x = 32,988,806,143.91
  5. Step 5: Solve for x
    x = 32,988,806,143.91/209,570.13
  6. Step 6: Final answer
    x = 157,411.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.