Home / 144,535.65-216,678.89-55,851.39

Finding the Fourth Proportional to 144,535.65, 216,678.89 and 55,851.39

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Solution

The fourth proportional to 144,535.65, 216,678.89 and 55,851.39 is: 83,728.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,535.65 : 216,678.89 = 55,851.39 : x
  2. Step 2: Convert to fraction form
    144,535.65/216,678.89 = 55,851.39/x
  3. Step 3: Cross multiply
    144,535.65x = 216,678.89 × 55,851.39
  4. Step 4: Simplify right side
    144,535.65x = 12,101,816,106.76
  5. Step 5: Solve for x
    x = 12,101,816,106.76/144,535.65
  6. Step 6: Final answer
    x = 83,728.94

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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.