Home / 249,939.50-344,916.51-136,762.25

Finding the Fourth Proportional to 249,939.50, 344,916.51 and 136,762.25

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Solution

The fourth proportional to 249,939.50, 344,916.51 and 136,762.25 is: 188,731.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,939.50 : 344,916.51 = 136,762.25 : x
  2. Step 2: Convert to fraction form
    249,939.50/344,916.51 = 136,762.25/x
  3. Step 3: Cross multiply
    249,939.50x = 344,916.51 × 136,762.25
  4. Step 4: Simplify right side
    249,939.50x = 47,171,557,969.75
  5. Step 5: Solve for x
    x = 47,171,557,969.75/249,939.50
  6. Step 6: Final answer
    x = 188,731.91

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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.