Home / 155,626.65-233,290.53-99,307.76

Finding the Fourth Proportional to 155,626.65, 233,290.53 and 99,307.76

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Solution

The fourth proportional to 155,626.65, 233,290.53 and 99,307.76 is: 148,866.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,626.65 : 233,290.53 = 99,307.76 : x
  2. Step 2: Convert to fraction form
    155,626.65/233,290.53 = 99,307.76/x
  3. Step 3: Cross multiply
    155,626.65x = 233,290.53 × 99,307.76
  4. Step 4: Simplify right side
    155,626.65x = 23,167,558,797.06
  5. Step 5: Solve for x
    x = 23,167,558,797.06/155,626.65
  6. Step 6: Final answer
    x = 148,866.27

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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.