Home / 249,985.86-344,981.61-136,808.34

Finding the Fourth Proportional to 249,985.86, 344,981.61 and 136,808.34

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Solution

The fourth proportional to 249,985.86, 344,981.61 and 136,808.34 is: 188,796.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,985.86 : 344,981.61 = 136,808.34 : x
  2. Step 2: Convert to fraction form
    249,985.86/344,981.61 = 136,808.34/x
  3. Step 3: Cross multiply
    249,985.86x = 344,981.61 × 136,808.34
  4. Step 4: Simplify right side
    249,985.86x = 47,196,361,394.63
  5. Step 5: Solve for x
    x = 47,196,361,394.63/249,985.86
  6. Step 6: Final answer
    x = 188,796.12

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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.