Home / 202,953.29-280,071.33-112,309.19

Finding the Fourth Proportional to 202,953.29, 280,071.33 and 112,309.19

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Solution

The fourth proportional to 202,953.29, 280,071.33 and 112,309.19 is: 154,984.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,953.29 : 280,071.33 = 112,309.19 : x
  2. Step 2: Convert to fraction form
    202,953.29/280,071.33 = 112,309.19/x
  3. Step 3: Cross multiply
    202,953.29x = 280,071.33 × 112,309.19
  4. Step 4: Simplify right side
    202,953.29x = 31,454,582,814.17
  5. Step 5: Solve for x
    x = 31,454,582,814.17/202,953.29
  6. Step 6: Final answer
    x = 154,984.35

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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.