Home / 249,810.18-344,740.77-136,630.50

Finding the Fourth Proportional to 249,810.18, 344,740.77 and 136,630.50

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Solution

The fourth proportional to 249,810.18, 344,740.77 and 136,630.50 is: 188,551.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,810.18 : 344,740.77 = 136,630.50 : x
  2. Step 2: Convert to fraction form
    249,810.18/344,740.77 = 136,630.50/x
  3. Step 3: Cross multiply
    249,810.18x = 344,740.77 × 136,630.50
  4. Step 4: Simplify right side
    249,810.18x = 47,102,103,775.49
  5. Step 5: Solve for x
    x = 47,102,103,775.49/249,810.18
  6. Step 6: Final answer
    x = 188,551.58

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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.