Home / 370,187.81-555,315.60-103,946.53

Finding the Fourth Proportional to 370,187.81, 555,315.60 and 103,946.53

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Solution

The fourth proportional to 370,187.81, 555,315.60 and 103,946.53 is: 155,929.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,187.81 : 555,315.60 = 103,946.53 : x
  2. Step 2: Convert to fraction form
    370,187.81/555,315.60 = 103,946.53/x
  3. Step 3: Cross multiply
    370,187.81x = 555,315.60 × 103,946.53
  4. Step 4: Simplify right side
    370,187.81x = 57,723,129,674.87
  5. Step 5: Solve for x
    x = 57,723,129,674.87/370,187.81
  6. Step 6: Final answer
    x = 155,929.31

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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.