Home / 125,186.40-187,807.68-46,303.20

Finding the Fourth Proportional to 125,186.40, 187,807.68 and 46,303.20

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Solution

The fourth proportional to 125,186.40, 187,807.68 and 46,303.20 is: 69,465.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,186.40 : 187,807.68 = 46,303.20 : x
  2. Step 2: Convert to fraction form
    125,186.40/187,807.68 = 46,303.20/x
  3. Step 3: Cross multiply
    125,186.40x = 187,807.68 × 46,303.20
  4. Step 4: Simplify right side
    125,186.40x = 8,696,096,568.58
  5. Step 5: Solve for x
    x = 8,696,096,568.58/125,186.40
  6. Step 6: Final answer
    x = 69,465.19

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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.