Home / 133,736.40-184,681.08-86,072.76

Finding the Fourth Proportional to 133,736.40, 184,681.08 and 86,072.76

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Solution

The fourth proportional to 133,736.40, 184,681.08 and 86,072.76 is: 118,860.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,736.40 : 184,681.08 = 86,072.76 : x
  2. Step 2: Convert to fraction form
    133,736.40/184,681.08 = 86,072.76/x
  3. Step 3: Cross multiply
    133,736.40x = 184,681.08 × 86,072.76
  4. Step 4: Simplify right side
    133,736.40x = 15,896,010,275.38
  5. Step 5: Solve for x
    x = 15,896,010,275.38/133,736.40
  6. Step 6: Final answer
    x = 118,860.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.