Home / 249,327.78-344,073.60-136,150.56

Finding the Fourth Proportional to 249,327.78, 344,073.60 and 136,150.56

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Solution

The fourth proportional to 249,327.78, 344,073.60 and 136,150.56 is: 187,888.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,327.78 : 344,073.60 = 136,150.56 : x
  2. Step 2: Convert to fraction form
    249,327.78/344,073.60 = 136,150.56/x
  3. Step 3: Cross multiply
    249,327.78x = 344,073.60 × 136,150.56
  4. Step 4: Simplify right side
    249,327.78x = 46,845,813,321.22
  5. Step 5: Solve for x
    x = 46,845,813,321.22/249,327.78
  6. Step 6: Final answer
    x = 187,888.46

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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.