Home / 249,436.40-344,216.64-136,259.60

Finding the Fourth Proportional to 249,436.40, 344,216.64 and 136,259.60

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Solution

The fourth proportional to 249,436.40, 344,216.64 and 136,259.60 is: 188,035.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,436.40 : 344,216.64 = 136,259.60 : x
  2. Step 2: Convert to fraction form
    249,436.40/344,216.64 = 136,259.60/x
  3. Step 3: Cross multiply
    249,436.40x = 344,216.64 × 136,259.60
  4. Step 4: Simplify right side
    249,436.40x = 46,902,821,679.74
  5. Step 5: Solve for x
    x = 46,902,821,679.74/249,436.40
  6. Step 6: Final answer
    x = 188,035.19

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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.