Home / 249,677.01-344,554.21-136,499.76

Finding the Fourth Proportional to 249,677.01, 344,554.21 and 136,499.76

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Solution

The fourth proportional to 249,677.01, 344,554.21 and 136,499.76 is: 188,369.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,677.01 : 344,554.21 = 136,499.76 : x
  2. Step 2: Convert to fraction form
    249,677.01/344,554.21 = 136,499.76/x
  3. Step 3: Cross multiply
    249,677.01x = 344,554.21 × 136,499.76
  4. Step 4: Simplify right side
    249,677.01x = 47,031,566,971.99
  5. Step 5: Solve for x
    x = 47,031,566,971.99/249,677.01
  6. Step 6: Final answer
    x = 188,369.63

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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.