Home / 356,130.71-534,194.02-89,890.12

Finding the Fourth Proportional to 356,130.71, 534,194.02 and 89,890.12

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Solution

The fourth proportional to 356,130.71, 534,194.02 and 89,890.12 is: 134,834.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,130.71 : 534,194.02 = 89,890.12 : x
  2. Step 2: Convert to fraction form
    356,130.71/534,194.02 = 89,890.12/x
  3. Step 3: Cross multiply
    356,130.71x = 534,194.02 × 89,890.12
  4. Step 4: Simplify right side
    356,130.71x = 48,018,764,561.08
  5. Step 5: Solve for x
    x = 48,018,764,561.08/356,130.71
  6. Step 6: Final answer
    x = 134,834.66

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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.