Home / 202,547.13-279,515.04-113,123.13

Finding the Fourth Proportional to 202,547.13, 279,515.04 and 113,123.13

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Solution

The fourth proportional to 202,547.13, 279,515.04 and 113,123.13 is: 156,109.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,547.13 : 279,515.04 = 113,123.13 : x
  2. Step 2: Convert to fraction form
    202,547.13/279,515.04 = 113,123.13/x
  3. Step 3: Cross multiply
    202,547.13x = 279,515.04 × 113,123.13
  4. Step 4: Simplify right side
    202,547.13x = 31,619,616,206.88
  5. Step 5: Solve for x
    x = 31,619,616,206.88/202,547.13
  6. Step 6: Final answer
    x = 156,109.92

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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.