Home / 137,032.87-205,399.17-70,476.52

Finding the Fourth Proportional to 137,032.87, 205,399.17 and 70,476.52

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Solution

The fourth proportional to 137,032.87, 205,399.17 and 70,476.52 is: 105,637.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,032.87 : 205,399.17 = 70,476.52 : x
  2. Step 2: Convert to fraction form
    137,032.87/205,399.17 = 70,476.52/x
  3. Step 3: Cross multiply
    137,032.87x = 205,399.17 × 70,476.52
  4. Step 4: Simplify right side
    137,032.87x = 14,475,818,712.49
  5. Step 5: Solve for x
    x = 14,475,818,712.49/137,032.87
  6. Step 6: Final answer
    x = 105,637.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.