Home / 134,656.86-201,916.08-39,875.14

Finding the Fourth Proportional to 134,656.86, 201,916.08 and 39,875.14

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Solution

The fourth proportional to 134,656.86, 201,916.08 and 39,875.14 is: 59,792.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,656.86 : 201,916.08 = 39,875.14 : x
  2. Step 2: Convert to fraction form
    134,656.86/201,916.08 = 39,875.14/x
  3. Step 3: Cross multiply
    134,656.86x = 201,916.08 × 39,875.14
  4. Step 4: Simplify right side
    134,656.86x = 8,051,431,785.85
  5. Step 5: Solve for x
    x = 8,051,431,785.85/134,656.86
  6. Step 6: Final answer
    x = 59,792.21

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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.