Home / 288,620.02-432,973.06-88,923.70

Finding the Fourth Proportional to 288,620.02, 432,973.06 and 88,923.70

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Solution

The fourth proportional to 288,620.02, 432,973.06 and 88,923.70 is: 133,398.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,620.02 : 432,973.06 = 88,923.70 : x
  2. Step 2: Convert to fraction form
    288,620.02/432,973.06 = 88,923.70/x
  3. Step 3: Cross multiply
    288,620.02x = 432,973.06 × 88,923.70
  4. Step 4: Simplify right side
    288,620.02x = 38,501,566,495.52
  5. Step 5: Solve for x
    x = 38,501,566,495.52/288,620.02
  6. Step 6: Final answer
    x = 133,398.81

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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.