Home / 155,281.56-232,707.69-70,835.82

Finding the Fourth Proportional to 155,281.56, 232,707.69 and 70,835.82

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Solution

The fourth proportional to 155,281.56, 232,707.69 and 70,835.82 is: 106,155.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,281.56 : 232,707.69 = 70,835.82 : x
  2. Step 2: Convert to fraction form
    155,281.56/232,707.69 = 70,835.82/x
  3. Step 3: Cross multiply
    155,281.56x = 232,707.69 × 70,835.82
  4. Step 4: Simplify right side
    155,281.56x = 16,484,040,041.46
  5. Step 5: Solve for x
    x = 16,484,040,041.46/155,281.56
  6. Step 6: Final answer
    x = 106,155.81

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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.