Home / 133,035.13-199,547.79-39,538.45

Finding the Fourth Proportional to 133,035.13, 199,547.79 and 39,538.45

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Solution

The fourth proportional to 133,035.13, 199,547.79 and 39,538.45 is: 59,306.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,035.13 : 199,547.79 = 39,538.45 : x
  2. Step 2: Convert to fraction form
    133,035.13/199,547.79 = 39,538.45/x
  3. Step 3: Cross multiply
    133,035.13x = 199,547.79 × 39,538.45
  4. Step 4: Simplify right side
    133,035.13x = 7,889,810,317.53
  5. Step 5: Solve for x
    x = 7,889,810,317.53/133,035.13
  6. Step 6: Final answer
    x = 59,306.22

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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.