Home / 261,337.23-360,601.67-153,928.65

Finding the Fourth Proportional to 261,337.23, 360,601.67 and 153,928.65

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Solution

The fourth proportional to 261,337.23, 360,601.67 and 153,928.65 is: 212,395.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,337.23 : 360,601.67 = 153,928.65 : x
  2. Step 2: Convert to fraction form
    261,337.23/360,601.67 = 153,928.65/x
  3. Step 3: Cross multiply
    261,337.23x = 360,601.67 × 153,928.65
  4. Step 4: Simplify right side
    261,337.23x = 55,506,928,833.46
  5. Step 5: Solve for x
    x = 55,506,928,833.46/261,337.23
  6. Step 6: Final answer
    x = 212,395.79

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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.