Home / 134,465.71-201,651.54-39,670.72

Finding the Fourth Proportional to 134,465.71, 201,651.54 and 39,670.72

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Solution

The fourth proportional to 134,465.71, 201,651.54 and 39,670.72 is: 59,492.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,465.71 : 201,651.54 = 39,670.72 : x
  2. Step 2: Convert to fraction form
    134,465.71/201,651.54 = 39,670.72/x
  3. Step 3: Cross multiply
    134,465.71x = 201,651.54 × 39,670.72
  4. Step 4: Simplify right side
    134,465.71x = 7,999,661,780.91
  5. Step 5: Solve for x
    x = 7,999,661,780.91/134,465.71
  6. Step 6: Final answer
    x = 59,492.21

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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.