Home / 103,651.02-155,476.53-57,199.14

Finding the Fourth Proportional to 103,651.02, 155,476.53 and 57,199.14

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Solution

The fourth proportional to 103,651.02, 155,476.53 and 57,199.14 is: 85,798.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,651.02 : 155,476.53 = 57,199.14 : x
  2. Step 2: Convert to fraction form
    103,651.02/155,476.53 = 57,199.14/x
  3. Step 3: Cross multiply
    103,651.02x = 155,476.53 × 57,199.14
  4. Step 4: Simplify right side
    103,651.02x = 8,893,122,742.81
  5. Step 5: Solve for x
    x = 8,893,122,742.81/103,651.02
  6. Step 6: Final answer
    x = 85,798.70

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1.5x scale

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.