Home / 249,715.90-344,609.27-136,538.65

Finding the Fourth Proportional to 249,715.90, 344,609.27 and 136,538.65

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Solution

The fourth proportional to 249,715.90, 344,609.27 and 136,538.65 is: 188,424.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,715.90 : 344,609.27 = 136,538.65 : x
  2. Step 2: Convert to fraction form
    249,715.90/344,609.27 = 136,538.65/x
  3. Step 3: Cross multiply
    249,715.90x = 344,609.27 × 136,538.65
  4. Step 4: Simplify right side
    249,715.90x = 47,052,484,503.29
  5. Step 5: Solve for x
    x = 47,052,484,503.29/249,715.90
  6. Step 6: Final answer
    x = 188,424.06

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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.