Home / 249,238-343,945.32-141,807.76

Finding the Fourth Proportional to 249,238, 343,945.32 and 141,807.76

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Solution

The fourth proportional to 249,238, 343,945.32 and 141,807.76 is: 195,692.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,238 : 343,945.32 = 141,807.76 : x
  2. Step 2: Convert to fraction form
    249,238/343,945.32 = 141,807.76/x
  3. Step 3: Cross multiply
    249,238x = 343,945.32 × 141,807.76
  4. Step 4: Simplify right side
    249,238x = 48,774,115,391.68
  5. Step 5: Solve for x
    x = 48,774,115,391.68/249,238
  6. Step 6: Final answer
    x = 195,692.93

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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.